{
  "type": "File",
  "start": 0,
  "end": 1047,
  "loc": {
    "start": {
      "line": 1,
      "column": 0
    },
    "end": {
      "line": 37,
      "column": 0
    }
  },
  "program": {
    "type": "Program",
    "start": 0,
    "end": 1047,
    "loc": {
      "start": {
        "line": 1,
        "column": 0
      },
      "end": {
        "line": 37,
        "column": 0
      }
    },
    "sourceType": "module",
    "body": [
      {
        "type": "ImportDeclaration",
        "start": 0,
        "end": 73,
        "loc": {
          "start": {
            "line": 1,
            "column": 0
          },
          "end": {
            "line": 1,
            "column": 73
          }
        },
        "specifiers": [
          {
            "type": "ImportSpecifier",
            "start": 9,
            "end": 13,
            "loc": {
              "start": {
                "line": 1,
                "column": 9
              },
              "end": {
                "line": 1,
                "column": 13
              }
            },
            "imported": {
              "type": "Identifier",
              "start": 9,
              "end": 13,
              "loc": {
                "start": {
                  "line": 1,
                  "column": 9
                },
                "end": {
                  "line": 1,
                  "column": 13
                },
                "identifierName": "html"
              },
              "name": "html"
            },
            "local": {
              "type": "Identifier",
              "start": 9,
              "end": 13,
              "loc": {
                "start": {
                  "line": 1,
                  "column": 9
                },
                "end": {
                  "line": 1,
                  "column": 13
                },
                "identifierName": "html"
              },
              "name": "html"
            }
          },
          {
            "type": "ImportSpecifier",
            "start": 15,
            "end": 21,
            "loc": {
              "start": {
                "line": 1,
                "column": 15
              },
              "end": {
                "line": 1,
                "column": 21
              }
            },
            "imported": {
              "type": "Identifier",
              "start": 15,
              "end": 21,
              "loc": {
                "start": {
                  "line": 1,
                  "column": 15
                },
                "end": {
                  "line": 1,
                  "column": 21
                },
                "identifierName": "render"
              },
              "name": "render"
            },
            "local": {
              "type": "Identifier",
              "start": 15,
              "end": 21,
              "loc": {
                "start": {
                  "line": 1,
                  "column": 15
                },
                "end": {
                  "line": 1,
                  "column": 21
                },
                "identifierName": "render"
              },
              "name": "render"
            }
          }
        ],
        "source": {
          "type": "StringLiteral",
          "start": 29,
          "end": 72,
          "loc": {
            "start": {
              "line": 1,
              "column": 29
            },
            "end": {
              "line": 1,
              "column": 72
            }
          },
          "extra": {
            "rawValue": "./../../node_modules/lit-html/lit-html.js",
            "raw": "'./../../node_modules/lit-html/lit-html.js'"
          },
          "value": "./../../node_modules/lit-html/lit-html.js"
        }
      },
      {
        "type": "ExpressionStatement",
        "start": 75,
        "end": 109,
        "loc": {
          "start": {
            "line": 2,
            "column": 0
          },
          "end": {
            "line": 2,
            "column": 34
          }
        },
        "expression": {
          "type": "AssignmentExpression",
          "start": 75,
          "end": 108,
          "loc": {
            "start": {
              "line": 2,
              "column": 0
            },
            "end": {
              "line": 2,
              "column": 33
            }
          },
          "operator": "=",
          "left": {
            "type": "MemberExpression",
            "start": 75,
            "end": 86,
            "loc": {
              "start": {
                "line": 2,
                "column": 0
              },
              "end": {
                "line": 2,
                "column": 11
              }
            },
            "object": {
              "type": "Identifier",
              "start": 75,
              "end": 81,
              "loc": {
                "start": {
                  "line": 2,
                  "column": 0
                },
                "end": {
                  "line": 2,
                  "column": 6
                },
                "identifierName": "window"
              },
              "name": "window"
            },
            "property": {
              "type": "Identifier",
              "start": 82,
              "end": 86,
              "loc": {
                "start": {
                  "line": 2,
                  "column": 7
                },
                "end": {
                  "line": 2,
                  "column": 11
                },
                "identifierName": "html"
              },
              "name": "html"
            },
            "computed": false
          },
          "right": {
            "type": "LogicalExpression",
            "start": 89,
            "end": 108,
            "loc": {
              "start": {
                "line": 2,
                "column": 14
              },
              "end": {
                "line": 2,
                "column": 33
              }
            },
            "left": {
              "type": "MemberExpression",
              "start": 89,
              "end": 100,
              "loc": {
                "start": {
                  "line": 2,
                  "column": 14
                },
                "end": {
                  "line": 2,
                  "column": 25
                }
              },
              "object": {
                "type": "Identifier",
                "start": 89,
                "end": 95,
                "loc": {
                  "start": {
                    "line": 2,
                    "column": 14
                  },
                  "end": {
                    "line": 2,
                    "column": 20
                  },
                  "identifierName": "window"
                },
                "name": "window"
              },
              "property": {
                "type": "Identifier",
                "start": 96,
                "end": 100,
                "loc": {
                  "start": {
                    "line": 2,
                    "column": 21
                  },
                  "end": {
                    "line": 2,
                    "column": 25
                  },
                  "identifierName": "html"
                },
                "name": "html"
              },
              "computed": false
            },
            "operator": "||",
            "right": {
              "type": "Identifier",
              "start": 104,
              "end": 108,
              "loc": {
                "start": {
                  "line": 2,
                  "column": 29
                },
                "end": {
                  "line": 2,
                  "column": 33
                },
                "identifierName": "html"
              },
              "name": "html"
            }
          }
        }
      },
      {
        "type": "ExpressionStatement",
        "start": 111,
        "end": 147,
        "loc": {
          "start": {
            "line": 3,
            "column": 0
          },
          "end": {
            "line": 3,
            "column": 36
          }
        },
        "expression": {
          "type": "AssignmentExpression",
          "start": 111,
          "end": 146,
          "loc": {
            "start": {
              "line": 3,
              "column": 0
            },
            "end": {
              "line": 3,
              "column": 35
            }
          },
          "operator": "=",
          "left": {
            "type": "MemberExpression",
            "start": 111,
            "end": 124,
            "loc": {
              "start": {
                "line": 3,
                "column": 0
              },
              "end": {
                "line": 3,
                "column": 13
              }
            },
            "object": {
              "type": "Identifier",
              "start": 111,
              "end": 117,
              "loc": {
                "start": {
                  "line": 3,
                  "column": 0
                },
                "end": {
                  "line": 3,
                  "column": 6
                },
                "identifierName": "window"
              },
              "name": "window"
            },
            "property": {
              "type": "Identifier",
              "start": 118,
              "end": 124,
              "loc": {
                "start": {
                  "line": 3,
                  "column": 7
                },
                "end": {
                  "line": 3,
                  "column": 13
                },
                "identifierName": "Backed"
              },
              "name": "Backed"
            },
            "computed": false
          },
          "right": {
            "type": "LogicalExpression",
            "start": 127,
            "end": 146,
            "loc": {
              "start": {
                "line": 3,
                "column": 16
              },
              "end": {
                "line": 3,
                "column": 35
              }
            },
            "left": {
              "type": "MemberExpression",
              "start": 127,
              "end": 140,
              "loc": {
                "start": {
                  "line": 3,
                  "column": 16
                },
                "end": {
                  "line": 3,
                  "column": 29
                }
              },
              "object": {
                "type": "Identifier",
                "start": 127,
                "end": 133,
                "loc": {
                  "start": {
                    "line": 3,
                    "column": 16
                  },
                  "end": {
                    "line": 3,
                    "column": 22
                  },
                  "identifierName": "window"
                },
                "name": "window"
              },
              "property": {
                "type": "Identifier",
                "start": 134,
                "end": 140,
                "loc": {
                  "start": {
                    "line": 3,
                    "column": 23
                  },
                  "end": {
                    "line": 3,
                    "column": 29
                  },
                  "identifierName": "Backed"
                },
                "name": "Backed"
              },
              "computed": false
            },
            "operator": "||",
            "right": {
              "type": "ObjectExpression",
              "start": 144,
              "end": 146,
              "loc": {
                "start": {
                  "line": 3,
                  "column": 33
                },
                "end": {
                  "line": 3,
                  "column": 35
                }
              },
              "properties": []
            }
          }
        }
      },
      {
        "type": "ExpressionStatement",
        "start": 149,
        "end": 207,
        "loc": {
          "start": {
            "line": 4,
            "column": 0
          },
          "end": {
            "line": 4,
            "column": 58
          }
        },
        "expression": {
          "type": "AssignmentExpression",
          "start": 149,
          "end": 206,
          "loc": {
            "start": {
              "line": 4,
              "column": 0
            },
            "end": {
              "line": 4,
              "column": 57
            }
          },
          "operator": "=",
          "left": {
            "type": "MemberExpression",
            "start": 149,
            "end": 171,
            "loc": {
              "start": {
                "line": 4,
                "column": 0
              },
              "end": {
                "line": 4,
                "column": 22
              }
            },
            "object": {
              "type": "MemberExpression",
              "start": 149,
              "end": 162,
              "loc": {
                "start": {
                  "line": 4,
                  "column": 0
                },
                "end": {
                  "line": 4,
                  "column": 13
                }
              },
              "object": {
                "type": "Identifier",
                "start": 149,
                "end": 155,
                "loc": {
                  "start": {
                    "line": 4,
                    "column": 0
                  },
                  "end": {
                    "line": 4,
                    "column": 6
                  },
                  "identifierName": "window"
                },
                "name": "window"
              },
              "property": {
                "type": "Identifier",
                "start": 156,
                "end": 162,
                "loc": {
                  "start": {
                    "line": 4,
                    "column": 7
                  },
                  "end": {
                    "line": 4,
                    "column": 13
                  },
                  "identifierName": "Backed"
                },
                "name": "Backed"
              },
              "computed": false
            },
            "property": {
              "type": "Identifier",
              "start": 163,
              "end": 171,
              "loc": {
                "start": {
                  "line": 4,
                  "column": 14
                },
                "end": {
                  "line": 4,
                  "column": 22
                },
                "identifierName": "Renderer"
              },
              "name": "Renderer"
            },
            "computed": false
          },
          "right": {
            "type": "LogicalExpression",
            "start": 174,
            "end": 206,
            "loc": {
              "start": {
                "line": 4,
                "column": 25
              },
              "end": {
                "line": 4,
                "column": 57
              }
            },
            "left": {
              "type": "MemberExpression",
              "start": 174,
              "end": 196,
              "loc": {
                "start": {
                  "line": 4,
                  "column": 25
                },
                "end": {
                  "line": 4,
                  "column": 47
                }
              },
              "object": {
                "type": "MemberExpression",
                "start": 174,
                "end": 187,
                "loc": {
                  "start": {
                    "line": 4,
                    "column": 25
                  },
                  "end": {
                    "line": 4,
                    "column": 38
                  }
                },
                "object": {
                  "type": "Identifier",
                  "start": 174,
                  "end": 180,
                  "loc": {
                    "start": {
                      "line": 4,
                      "column": 25
                    },
                    "end": {
                      "line": 4,
                      "column": 31
                    },
                    "identifierName": "window"
                  },
                  "name": "window"
                },
                "property": {
                  "type": "Identifier",
                  "start": 181,
                  "end": 187,
                  "loc": {
                    "start": {
                      "line": 4,
                      "column": 32
                    },
                    "end": {
                      "line": 4,
                      "column": 38
                    },
                    "identifierName": "Backed"
                  },
                  "name": "Backed"
                },
                "computed": false
              },
              "property": {
                "type": "Identifier",
                "start": 188,
                "end": 196,
                "loc": {
                  "start": {
                    "line": 4,
                    "column": 39
                  },
                  "end": {
                    "line": 4,
                    "column": 47
                  },
                  "identifierName": "Renderer"
                },
                "name": "Renderer"
              },
              "computed": false
            },
            "operator": "||",
            "right": {
              "type": "Identifier",
              "start": 200,
              "end": 206,
              "loc": {
                "start": {
                  "line": 4,
                  "column": 51
                },
                "end": {
                  "line": 4,
                  "column": 57
                },
                "identifierName": "render"
              },
              "name": "render"
            }
          }
        },
        "trailingComments": [
          {
            "type": "CommentBlock",
            "value": "*\r\n * @module LitMixin\r\n * @mixin Backed\r\n * @param {class} base class to extend from\r\n ",
            "start": 211,
            "end": 303,
            "loc": {
              "start": {
                "line": 6,
                "column": 0
              },
              "end": {
                "line": 10,
                "column": 3
              }
            }
          }
        ]
      },
      {
        "type": "ExportDefaultDeclaration",
        "start": 305,
        "end": 1045,
        "loc": {
          "start": {
            "line": 11,
            "column": 0
          },
          "end": {
            "line": 36,
            "column": 1
          }
        },
        "declaration": {
          "type": "ArrowFunctionExpression",
          "start": 320,
          "end": 1045,
          "loc": {
            "start": {
              "line": 11,
              "column": 15
            },
            "end": {
              "line": 36,
              "column": 1
            }
          },
          "id": null,
          "generator": false,
          "expression": false,
          "async": false,
          "params": [
            {
              "type": "Identifier",
              "start": 320,
              "end": 324,
              "loc": {
                "start": {
                  "line": 11,
                  "column": 15
                },
                "end": {
                  "line": 11,
                  "column": 19
                },
                "identifierName": "base"
              },
              "name": "base",
              "leadingComments": null
            }
          ],
          "body": {
            "type": "BlockStatement",
            "start": 328,
            "end": 1045,
            "loc": {
              "start": {
                "line": 11,
                "column": 23
              },
              "end": {
                "line": 36,
                "column": 1
              }
            },
            "body": [
              {
                "type": "ReturnStatement",
                "start": 333,
                "end": 1042,
                "loc": {
                  "start": {
                    "line": 12,
                    "column": 2
                  },
                  "end": {
                    "line": 35,
                    "column": 3
                  }
                },
                "argument": {
                  "type": "ClassExpression",
                  "start": 340,
                  "end": 1042,
                  "loc": {
                    "start": {
                      "line": 12,
                      "column": 9
                    },
                    "end": {
                      "line": 35,
                      "column": 3
                    }
                  },
                  "id": {
                    "type": "Identifier",
                    "start": 346,
                    "end": 354,
                    "loc": {
                      "start": {
                        "line": 12,
                        "column": 15
                      },
                      "end": {
                        "line": 12,
                        "column": 23
                      },
                      "identifierName": "LitMixin"
                    },
                    "name": "LitMixin"
                  },
                  "superClass": {
                    "type": "Identifier",
                    "start": 363,
                    "end": 367,
                    "loc": {
                      "start": {
                        "line": 12,
                        "column": 32
                      },
                      "end": {
                        "line": 12,
                        "column": 36
                      },
                      "identifierName": "base"
                    },
                    "name": "base"
                  },
                  "body": {
                    "type": "ClassBody",
                    "start": 368,
                    "end": 1042,
                    "loc": {
                      "start": {
                        "line": 12,
                        "column": 37
                      },
                      "end": {
                        "line": 35,
                        "column": 3
                      }
                    },
                    "body": [
                      {
                        "type": "ClassMethod",
                        "start": 375,
                        "end": 539,
                        "loc": {
                          "start": {
                            "line": 13,
                            "column": 4
                          },
                          "end": {
                            "line": 17,
                            "column": 5
                          }
                        },
                        "static": false,
                        "computed": false,
                        "key": {
                          "type": "Identifier",
                          "start": 375,
                          "end": 386,
                          "loc": {
                            "start": {
                              "line": 13,
                              "column": 4
                            },
                            "end": {
                              "line": 13,
                              "column": 15
                            },
                            "identifierName": "constructor"
                          },
                          "name": "constructor"
                        },
                        "kind": "constructor",
                        "id": null,
                        "generator": false,
                        "expression": false,
                        "async": false,
                        "params": [
                          {
                            "type": "AssignmentPattern",
                            "start": 387,
                            "end": 399,
                            "loc": {
                              "start": {
                                "line": 13,
                                "column": 16
                              },
                              "end": {
                                "line": 13,
                                "column": 28
                              }
                            },
                            "left": {
                              "type": "Identifier",
                              "start": 387,
                              "end": 394,
                              "loc": {
                                "start": {
                                  "line": 13,
                                  "column": 16
                                },
                                "end": {
                                  "line": 13,
                                  "column": 23
                                },
                                "identifierName": "options"
                              },
                              "name": "options"
                            },
                            "right": {
                              "type": "ObjectExpression",
                              "start": 397,
                              "end": 399,
                              "loc": {
                                "start": {
                                  "line": 13,
                                  "column": 26
                                },
                                "end": {
                                  "line": 13,
                                  "column": 28
                                }
                              },
                              "properties": []
                            }
                          }
                        ],
                        "body": {
                          "type": "BlockStatement",
                          "start": 401,
                          "end": 539,
                          "loc": {
                            "start": {
                              "line": 13,
                              "column": 30
                            },
                            "end": {
                              "line": 17,
                              "column": 5
                            }
                          },
                          "body": [
                            {
                              "type": "ExpressionStatement",
                              "start": 410,
                              "end": 425,
                              "loc": {
                                "start": {
                                  "line": 14,
                                  "column": 6
                                },
                                "end": {
                                  "line": 14,
                                  "column": 21
                                }
                              },
                              "expression": {
                                "type": "CallExpression",
                                "start": 410,
                                "end": 424,
                                "loc": {
                                  "start": {
                                    "line": 14,
                                    "column": 6
                                  },
                                  "end": {
                                    "line": 14,
                                    "column": 20
                                  }
                                },
                                "callee": {
                                  "type": "Super",
                                  "start": 410,
                                  "end": 415,
                                  "loc": {
                                    "start": {
                                      "line": 14,
                                      "column": 6
                                    },
                                    "end": {
                                      "line": 14,
                                      "column": 11
                                    }
                                  }
                                },
                                "arguments": [
                                  {
                                    "type": "Identifier",
                                    "start": 416,
                                    "end": 423,
                                    "loc": {
                                      "start": {
                                        "line": 14,
                                        "column": 12
                                      },
                                      "end": {
                                        "line": 14,
                                        "column": 19
                                      },
                                      "identifierName": "options"
                                    },
                                    "name": "options"
                                  }
                                ]
                              }
                            },
                            {
                              "type": "IfStatement",
                              "start": 433,
                              "end": 489,
                              "loc": {
                                "start": {
                                  "line": 15,
                                  "column": 6
                                },
                                "end": {
                                  "line": 15,
                                  "column": 62
                                }
                              },
                              "test": {
                                "type": "UnaryExpression",
                                "start": 437,
                                "end": 453,
                                "loc": {
                                  "start": {
                                    "line": 15,
                                    "column": 10
                                  },
                                  "end": {
                                    "line": 15,
                                    "column": 26
                                  }
                                },
                                "operator": "!",
                                "prefix": true,
                                "argument": {
                                  "type": "MemberExpression",
                                  "start": 438,
                                  "end": 453,
                                  "loc": {
                                    "start": {
                                      "line": 15,
                                      "column": 11
                                    },
                                    "end": {
                                      "line": 15,
                                      "column": 26
                                    }
                                  },
                                  "object": {
                                    "type": "ThisExpression",
                                    "start": 438,
                                    "end": 442,
                                    "loc": {
                                      "start": {
                                        "line": 15,
                                        "column": 11
                                      },
                                      "end": {
                                        "line": 15,
                                        "column": 15
                                      }
                                    }
                                  },
                                  "property": {
                                    "type": "Identifier",
                                    "start": 443,
                                    "end": 453,
                                    "loc": {
                                      "start": {
                                        "line": 15,
                                        "column": 16
                                      },
                                      "end": {
                                        "line": 15,
                                        "column": 26
                                      },
                                      "identifierName": "shadowRoot"
                                    },
                                    "name": "shadowRoot"
                                  },
                                  "computed": false
                                },
                                "extra": {
                                  "parenthesizedArgument": false
                                }
                              },
                              "consequent": {
                                "type": "ExpressionStatement",
                                "start": 455,
                                "end": 489,
                                "loc": {
                                  "start": {
                                    "line": 15,
                                    "column": 28
                                  },
                                  "end": {
                                    "line": 15,
                                    "column": 62
                                  }
                                },
                                "expression": {
                                  "type": "CallExpression",
                                  "start": 455,
                                  "end": 488,
                                  "loc": {
                                    "start": {
                                      "line": 15,
                                      "column": 28
                                    },
                                    "end": {
                                      "line": 15,
                                      "column": 61
                                    }
                                  },
                                  "callee": {
                                    "type": "MemberExpression",
                                    "start": 455,
                                    "end": 472,
                                    "loc": {
                                      "start": {
                                        "line": 15,
                                        "column": 28
                                      },
                                      "end": {
                                        "line": 15,
                                        "column": 45
                                      }
                                    },
                                    "object": {
                                      "type": "ThisExpression",
                                      "start": 455,
                                      "end": 459,
                                      "loc": {
                                        "start": {
                                          "line": 15,
                                          "column": 28
                                        },
                                        "end": {
                                          "line": 15,
                                          "column": 32
                                        }
                                      }
                                    },
                                    "property": {
                                      "type": "Identifier",
                                      "start": 460,
                                      "end": 472,
                                      "loc": {
                                        "start": {
                                          "line": 15,
                                          "column": 33
                                        },
                                        "end": {
                                          "line": 15,
                                          "column": 45
                                        },
                                        "identifierName": "attachShadow"
                                      },
                                      "name": "attachShadow"
                                    },
                                    "computed": false
                                  },
                                  "arguments": [
                                    {
                                      "type": "ObjectExpression",
                                      "start": 473,
                                      "end": 487,
                                      "loc": {
                                        "start": {
                                          "line": 15,
                                          "column": 46
                                        },
                                        "end": {
                                          "line": 15,
                                          "column": 60
                                        }
                                      },
                                      "properties": [
                                        {
                                          "type": "ObjectProperty",
                                          "start": 474,
                                          "end": 486,
                                          "loc": {
                                            "start": {
                                              "line": 15,
                                              "column": 47
                                            },
                                            "end": {
                                              "line": 15,
                                              "column": 59
                                            }
                                          },
                                          "method": false,
                                          "shorthand": false,
                                          "computed": false,
                                          "key": {
                                            "type": "Identifier",
                                            "start": 474,
                                            "end": 478,
                                            "loc": {
                                              "start": {
                                                "line": 15,
                                                "column": 47
                                              },
                                              "end": {
                                                "line": 15,
                                                "column": 51
                                              },
                                              "identifierName": "mode"
                                            },
                                            "name": "mode"
                                          },
                                          "value": {
                                            "type": "StringLiteral",
                                            "start": 480,
                                            "end": 486,
                                            "loc": {
                                              "start": {
                                                "line": 15,
                                                "column": 53
                                              },
                                              "end": {
                                                "line": 15,
                                                "column": 59
                                              }
                                            },
                                            "extra": {
                                              "rawValue": "open",
                                              "raw": "'open'"
                                            },
                                            "value": "open"
                                          }
                                        }
                                      ]
                                    }
                                  ]
                                }
                              },
                              "alternate": null
                            },
                            {
                              "type": "ExpressionStatement",
                              "start": 497,
                              "end": 532,
                              "loc": {
                                "start": {
                                  "line": 16,
                                  "column": 6
                                },
                                "end": {
                                  "line": 16,
                                  "column": 41
                                }
                              },
                              "expression": {
                                "type": "CallExpression",
                                "start": 497,
                                "end": 531,
                                "loc": {
                                  "start": {
                                    "line": 16,
                                    "column": 6
                                  },
                                  "end": {
                                    "line": 16,
                                    "column": 40
                                  }
                                },
                                "callee": {
                                  "type": "MemberExpression",
                                  "start": 497,
                                  "end": 518,
                                  "loc": {
                                    "start": {
                                      "line": 16,
                                      "column": 6
                                    },
                                    "end": {
                                      "line": 16,
                                      "column": 27
                                    }
                                  },
                                  "object": {
                                    "type": "ThisExpression",
                                    "start": 497,
                                    "end": 501,
                                    "loc": {
                                      "start": {
                                        "line": 16,
                                        "column": 6
                                      },
                                      "end": {
                                        "line": 16,
                                        "column": 10
                                      }
                                    }
                                  },
                                  "property": {
                                    "type": "Identifier",
                                    "start": 502,
                                    "end": 518,
                                    "loc": {
                                      "start": {
                                        "line": 16,
                                        "column": 11
                                      },
                                      "end": {
                                        "line": 16,
                                        "column": 27
                                      },
                                      "identifierName": "_isValidRenderer"
                                    },
                                    "name": "_isValidRenderer"
                                  },
                                  "computed": false
                                },
                                "arguments": [
                                  {
                                    "type": "MemberExpression",
                                    "start": 519,
                                    "end": 530,
                                    "loc": {
                                      "start": {
                                        "line": 16,
                                        "column": 28
                                      },
                                      "end": {
                                        "line": 16,
                                        "column": 39
                                      }
                                    },
                                    "object": {
                                      "type": "ThisExpression",
                                      "start": 519,
                                      "end": 523,
                                      "loc": {
                                        "start": {
                                          "line": 16,
                                          "column": 28
                                        },
                                        "end": {
                                          "line": 16,
                                          "column": 32
                                        }
                                      }
                                    },
                                    "property": {
                                      "type": "Identifier",
                                      "start": 524,
                                      "end": 530,
                                      "loc": {
                                        "start": {
                                          "line": 16,
                                          "column": 33
                                        },
                                        "end": {
                                          "line": 16,
                                          "column": 39
                                        },
                                        "identifierName": "render"
                                      },
                                      "name": "render"
                                    },
                                    "computed": false
                                  }
                                ]
                              }
                            }
                          ],
                          "directives": []
                        }
                      },
                      {
                        "type": "ClassMethod",
                        "start": 545,
                        "end": 752,
                        "loc": {
                          "start": {
                            "line": 18,
                            "column": 4
                          },
                          "end": {
                            "line": 24,
                            "column": 5
                          }
                        },
                        "static": false,
                        "computed": false,
                        "key": {
                          "type": "Identifier",
                          "start": 545,
                          "end": 562,
                          "loc": {
                            "start": {
                              "line": 18,
                              "column": 4
                            },
                            "end": {
                              "line": 18,
                              "column": 21
                            },
                            "identifierName": "connectedCallback"
                          },
                          "name": "connectedCallback"
                        },
                        "kind": "method",
                        "id": null,
                        "generator": false,
                        "expression": false,
                        "async": false,
                        "params": [],
                        "body": {
                          "type": "BlockStatement",
                          "start": 565,
                          "end": 752,
                          "loc": {
                            "start": {
                              "line": 18,
                              "column": 24
                            },
                            "end": {
                              "line": 24,
                              "column": 5
                            }
                          },
                          "body": [
                            {
                              "type": "IfStatement",
                              "start": 574,
                              "end": 629,
                              "loc": {
                                "start": {
                                  "line": 19,
                                  "column": 6
                                },
                                "end": {
                                  "line": 19,
                                  "column": 61
                                }
                              },
                              "test": {
                                "type": "MemberExpression",
                                "start": 578,
                                "end": 601,
                                "loc": {
                                  "start": {
                                    "line": 19,
                                    "column": 10
                                  },
                                  "end": {
                                    "line": 19,
                                    "column": 33
                                  }
                                },
                                "object": {
                                  "type": "Super",
                                  "start": 578,
                                  "end": 583,
                                  "loc": {
                                    "start": {
                                      "line": 19,
                                      "column": 10
                                    },
                                    "end": {
                                      "line": 19,
                                      "column": 15
                                    }
                                  }
                                },
                                "property": {
                                  "type": "Identifier",
                                  "start": 584,
                                  "end": 601,
                                  "loc": {
                                    "start": {
                                      "line": 19,
                                      "column": 16
                                    },
                                    "end": {
                                      "line": 19,
                                      "column": 33
                                    },
                                    "identifierName": "connectedCallback"
                                  },
                                  "name": "connectedCallback"
                                },
                                "computed": false
                              },
                              "consequent": {
                                "type": "ExpressionStatement",
                                "start": 603,
                                "end": 629,
                                "loc": {
                                  "start": {
                                    "line": 19,
                                    "column": 35
                                  },
                                  "end": {
                                    "line": 19,
                                    "column": 61
                                  }
                                },
                                "expression": {
                                  "type": "CallExpression",
                                  "start": 603,
                                  "end": 628,
                                  "loc": {
                                    "start": {
                                      "line": 19,
                                      "column": 35
                                    },
                                    "end": {
                                      "line": 19,
                                      "column": 60
                                    }
                                  },
                                  "callee": {
                                    "type": "MemberExpression",
                                    "start": 603,
                                    "end": 626,
                                    "loc": {
                                      "start": {
                                        "line": 19,
                                        "column": 35
                                      },
                                      "end": {
                                        "line": 19,
                                        "column": 58
                                      }
                                    },
                                    "object": {
                                      "type": "Super",
                                      "start": 603,
                                      "end": 608,
                                      "loc": {
                                        "start": {
                                          "line": 19,
                                          "column": 35
                                        },
                                        "end": {
                                          "line": 19,
                                          "column": 40
                                        }
                                      }
                                    },
                                    "property": {
                                      "type": "Identifier",
                                      "start": 609,
                                      "end": 626,
                                      "loc": {
                                        "start": {
                                          "line": 19,
                                          "column": 41
                                        },
                                        "end": {
                                          "line": 19,
                                          "column": 58
                                        },
                                        "identifierName": "connectedCallback"
                                      },
                                      "name": "connectedCallback"
                                    },
                                    "computed": false
                                  },
                                  "arguments": []
                                }
                              },
                              "alternate": null
                            },
                            {
                              "type": "IfStatement",
                              "start": 637,
                              "end": 744,
                              "loc": {
                                "start": {
                                  "line": 20,
                                  "column": 6
                                },
                                "end": {
                                  "line": 23,
                                  "column": 7
                                }
                              },
                              "test": {
                                "type": "MemberExpression",
                                "start": 641,
                                "end": 652,
                                "loc": {
                                  "start": {
                                    "line": 20,
                                    "column": 10
                                  },
                                  "end": {
                                    "line": 20,
                                    "column": 21
                                  }
                                },
                                "object": {
                                  "type": "ThisExpression",
                                  "start": 641,
                                  "end": 645,
                                  "loc": {
                                    "start": {
                                      "line": 20,
                                      "column": 10
                                    },
                                    "end": {
                                      "line": 20,
                                      "column": 14
                                    }
                                  }
                                },
                                "property": {
                                  "type": "Identifier",
                                  "start": 646,
                                  "end": 652,
                                  "loc": {
                                    "start": {
                                      "line": 20,
                                      "column": 15
                                    },
                                    "end": {
                                      "line": 20,
                                      "column": 21
                                    },
                                    "identifierName": "render"
                                  },
                                  "name": "render"
                                },
                                "computed": false
                              },
                              "consequent": {
                                "type": "BlockStatement",
                                "start": 654,
                                "end": 744,
                                "loc": {
                                  "start": {
                                    "line": 20,
                                    "column": 23
                                  },
                                  "end": {
                                    "line": 23,
                                    "column": 7
                                  }
                                },
                                "body": [
                                  {
                                    "type": "ExpressionStatement",
                                    "start": 665,
                                    "end": 704,
                                    "loc": {
                                      "start": {
                                        "line": 21,
                                        "column": 8
                                      },
                                      "end": {
                                        "line": 21,
                                        "column": 47
                                      }
                                    },
                                    "expression": {
                                      "type": "CallExpression",
                                      "start": 665,
                                      "end": 703,
                                      "loc": {
                                        "start": {
                                          "line": 21,
                                          "column": 8
                                        },
                                        "end": {
                                          "line": 21,
                                          "column": 46
                                        }
                                      },
                                      "callee": {
                                        "type": "Identifier",
                                        "start": 665,
                                        "end": 671,
                                        "loc": {
                                          "start": {
                                            "line": 21,
                                            "column": 8
                                          },
                                          "end": {
                                            "line": 21,
                                            "column": 14
                                          },
                                          "identifierName": "render"
                                        },
                                        "name": "render"
                                      },
                                      "arguments": [
                                        {
                                          "type": "CallExpression",
                                          "start": 672,
                                          "end": 685,
                                          "loc": {
                                            "start": {
                                              "line": 21,
                                              "column": 15
                                            },
                                            "end": {
                                              "line": 21,
                                              "column": 28
                                            }
                                          },
                                          "callee": {
                                            "type": "MemberExpression",
                                            "start": 672,
                                            "end": 683,
                                            "loc": {
                                              "start": {
                                                "line": 21,
                                                "column": 15
                                              },
                                              "end": {
                                                "line": 21,
                                                "column": 26
                                              }
                                            },
                                            "object": {
                                              "type": "ThisExpression",
                                              "start": 672,
                                              "end": 676,
                                              "loc": {
                                                "start": {
                                                  "line": 21,
                                                  "column": 15
                                                },
                                                "end": {
                                                  "line": 21,
                                                  "column": 19
                                                }
                                              }
                                            },
                                            "property": {
                                              "type": "Identifier",
                                              "start": 677,
                                              "end": 683,
                                              "loc": {
                                                "start": {
                                                  "line": 21,
                                                  "column": 20
                                                },
                                                "end": {
                                                  "line": 21,
                                                  "column": 26
                                                },
                                                "identifierName": "render"
                                              },
                                              "name": "render"
                                            },
                                            "computed": false
                                          },
                                          "arguments": []
                                        },
                                        {
                                          "type": "MemberExpression",
                                          "start": 687,
                                          "end": 702,
                                          "loc": {
                                            "start": {
                                              "line": 21,
                                              "column": 30
                                            },
                                            "end": {
                                              "line": 21,
                                              "column": 45
                                            }
                                          },
                                          "object": {
                                            "type": "ThisExpression",
                                            "start": 687,
                                            "end": 691,
                                            "loc": {
                                              "start": {
                                                "line": 21,
                                                "column": 30
                                              },
                                              "end": {
                                                "line": 21,
                                                "column": 34
                                              }
                                            }
                                          },
                                          "property": {
                                            "type": "Identifier",
                                            "start": 692,
                                            "end": 702,
                                            "loc": {
                                              "start": {
                                                "line": 21,
                                                "column": 35
                                              },
                                              "end": {
                                                "line": 21,
                                                "column": 45
                                              },
                                              "identifierName": "shadowRoot"
                                            },
                                            "name": "shadowRoot"
                                          },
                                          "computed": false
                                        }
                                      ]
                                    }
                                  },
                                  {
                                    "type": "ExpressionStatement",
                                    "start": 714,
                                    "end": 735,
                                    "loc": {
                                      "start": {
                                        "line": 22,
                                        "column": 8
                                      },
                                      "end": {
                                        "line": 22,
                                        "column": 29
                                      }
                                    },
                                    "expression": {
                                      "type": "AssignmentExpression",
                                      "start": 714,
                                      "end": 734,
                                      "loc": {
                                        "start": {
                                          "line": 22,
                                          "column": 8
                                        },
                                        "end": {
                                          "line": 22,
                                          "column": 28
                                        }
                                      },
                                      "operator": "=",
                                      "left": {
                                        "type": "MemberExpression",
                                        "start": 714,
                                        "end": 727,
                                        "loc": {
                                          "start": {
                                            "line": 22,
                                            "column": 8
                                          },
                                          "end": {
                                            "line": 22,
                                            "column": 21
                                          }
                                        },
                                        "object": {
                                          "type": "ThisExpression",
                                          "start": 714,
                                          "end": 718,
                                          "loc": {
                                            "start": {
                                              "line": 22,
                                              "column": 8
                                            },
                                            "end": {
                                              "line": 22,
                                              "column": 12
                                            }
                                          }
                                        },
                                        "property": {
                                          "type": "Identifier",
                                          "start": 719,
                                          "end": 727,
                                          "loc": {
                                            "start": {
                                              "line": 22,
                                              "column": 13
                                            },
                                            "end": {
                                              "line": 22,
                                              "column": 21
                                            },
                                            "identifierName": "rendered"
                                          },
                                          "name": "rendered"
                                        },
                                        "computed": false
                                      },
                                      "right": {
                                        "type": "BooleanLiteral",
                                        "start": 730,
                                        "end": 734,
                                        "loc": {
                                          "start": {
                                            "line": 22,
                                            "column": 24
                                          },
                                          "end": {
                                            "line": 22,
                                            "column": 28
                                          }
                                        },
                                        "value": true
                                      }
                                    }
                                  }
                                ],
                                "directives": []
                              },
                              "alternate": null
                            },
                            {
                              "type": "EmptyStatement",
                              "start": 744,
                              "end": 745,
                              "loc": {
                                "start": {
                                  "line": 23,
                                  "column": 7
                                },
                                "end": {
                                  "line": 23,
                                  "column": 8
                                }
                              }
                            }
                          ],
                          "directives": []
                        }
                      },
                      {
                        "type": "ClassMethod",
                        "start": 758,
                        "end": 1037,
                        "loc": {
                          "start": {
                            "line": 25,
                            "column": 4
                          },
                          "end": {
                            "line": 34,
                            "column": 5
                          }
                        },
                        "static": false,
                        "computed": false,
                        "key": {
                          "type": "Identifier",
                          "start": 758,
                          "end": 774,
                          "loc": {
                            "start": {
                              "line": 25,
                              "column": 4
                            },
                            "end": {
                              "line": 25,
                              "column": 20
                            },
                            "identifierName": "_isValidRenderer"
                          },
                          "name": "_isValidRenderer"
                        },
                        "kind": "method",
                        "id": null,
                        "generator": false,
                        "expression": false,
                        "async": false,
                        "params": [
                          {
                            "type": "Identifier",
                            "start": 775,
                            "end": 783,
                            "loc": {
                              "start": {
                                "line": 25,
                                "column": 21
                              },
                              "end": {
                                "line": 25,
                                "column": 29
                              },
                              "identifierName": "renderer"
                            },
                            "name": "renderer"
                          }
                        ],
                        "body": {
                          "type": "BlockStatement",
                          "start": 785,
                          "end": 1037,
                          "loc": {
                            "start": {
                              "line": 25,
                              "column": 31
                            },
                            "end": {
                              "line": 34,
                              "column": 5
                            }
                          },
                          "body": [
                            {
                              "type": "IfStatement",
                              "start": 794,
                              "end": 875,
                              "loc": {
                                "start": {
                                  "line": 26,
                                  "column": 6
                                },
                                "end": {
                                  "line": 29,
                                  "column": 7
                                }
                              },
                              "test": {
                                "type": "UnaryExpression",
                                "start": 798,
                                "end": 807,
                                "loc": {
                                  "start": {
                                    "line": 26,
                                    "column": 10
                                  },
                                  "end": {
                                    "line": 26,
                                    "column": 19
                                  }
                                },
                                "operator": "!",
                                "prefix": true,
                                "argument": {
                                  "type": "Identifier",
                                  "start": 799,
                                  "end": 807,
                                  "loc": {
                                    "start": {
                                      "line": 26,
                                      "column": 11
                                    },
                                    "end": {
                                      "line": 26,
                                      "column": 19
                                    },
                                    "identifierName": "renderer"
                                  },
                                  "name": "renderer"
                                },
                                "extra": {
                                  "parenthesizedArgument": false
                                }
                              },
                              "consequent": {
                                "type": "BlockStatement",
                                "start": 809,
                                "end": 875,
                                "loc": {
                                  "start": {
                                    "line": 26,
                                    "column": 21
                                  },
                                  "end": {
                                    "line": 29,
                                    "column": 7
                                  }
                                },
                                "body": [
                                  {
                                    "type": "ThrowStatement",
                                    "start": 819,
                                    "end": 850,
                                    "loc": {
                                      "start": {
                                        "line": 27,
                                        "column": 7
                                      },
                                      "end": {
                                        "line": 27,
                                        "column": 38
                                      }
                                    },
                                    "argument": {
                                      "type": "StringLiteral",
                                      "start": 825,
                                      "end": 849,
                                      "loc": {
                                        "start": {
                                          "line": 27,
                                          "column": 13
                                        },
                                        "end": {
                                          "line": 27,
                                          "column": 37
                                        }
                                      },
                                      "extra": {
                                        "rawValue": "Missing render method!",
                                        "raw": "'Missing render method!'"
                                      },
                                      "value": "Missing render method!"
                                    }
                                  },
                                  {
                                    "type": "ReturnStatement",
                                    "start": 859,
                                    "end": 866,
                                    "loc": {
                                      "start": {
                                        "line": 28,
                                        "column": 7
                                      },
                                      "end": {
                                        "line": 28,
                                        "column": 14
                                      }
                                    },
                                    "argument": null
                                  }
                                ],
                                "directives": []
                              },
                              "alternate": null
                            },
                            {
                              "type": "IfStatement",
                              "start": 883,
                              "end": 1030,
                              "loc": {
                                "start": {
                                  "line": 30,
                                  "column": 6
                                },
                                "end": {
                                  "line": 33,
                                  "column": 7
                                }
                              },
                              "test": {
                                "type": "LogicalExpression",
                                "start": 887,
                                "end": 981,
                                "loc": {
                                  "start": {
                                    "line": 30,
                                    "column": 10
                                  },
                                  "end": {
                                    "line": 31,
                                    "column": 47
                                  }
                                },
                                "left": {
                                  "type": "UnaryExpression",
                                  "start": 887,
                                  "end": 929,
                                  "loc": {
                                    "start": {
                                      "line": 30,
                                      "column": 10
                                    },
                                    "end": {
                                      "line": 30,
                                      "column": 52
                                    }
                                  },
                                  "operator": "!",
                                  "prefix": true,
                                  "argument": {
                                    "type": "CallExpression",
                                    "start": 888,
                                    "end": 929,
                                    "loc": {
                                      "start": {
                                        "line": 30,
                                        "column": 11
                                      },
                                      "end": {
                                        "line": 30,
                                        "column": 52
                                      }
                                    },
                                    "callee": {
                                      "type": "MemberExpression",
                                      "start": 888,
                                      "end": 913,
                                      "loc": {
                                        "start": {
                                          "line": 30,
                                          "column": 11
                                        },
                                        "end": {
                                          "line": 30,
                                          "column": 36
                                        }
                                      },
                                      "object": {
                                        "type": "CallExpression",
                                        "start": 888,
                                        "end": 904,
                                        "loc": {
                                          "start": {
                                            "line": 30,
                                            "column": 11
                                          },
                                          "end": {
                                            "line": 30,
                                            "column": 27
                                          }
                                        },
                                        "callee": {
                                          "type": "Identifier",
                                          "start": 888,
                                          "end": 894,
                                          "loc": {
                                            "start": {
                                              "line": 30,
                                              "column": 11
                                            },
                                            "end": {
                                              "line": 30,
                                              "column": 17
                                            },
                                            "identifierName": "String"
                                          },
                                          "name": "String"
                                        },
                                        "arguments": [
                                          {
                                            "type": "Identifier",
                                            "start": 895,
                                            "end": 903,
                                            "loc": {
                                              "start": {
                                                "line": 30,
                                                "column": 18
                                              },
                                              "end": {
                                                "line": 30,
                                                "column": 26
                                              },
                                              "identifierName": "renderer"
                                            },
                                            "name": "renderer"
                                          }
                                        ]
                                      },
                                      "property": {
                                        "type": "Identifier",
                                        "start": 905,
                                        "end": 913,
                                        "loc": {
                                          "start": {
                                            "line": 30,
                                            "column": 28
                                          },
                                          "end": {
                                            "line": 30,
                                            "column": 36
                                          },
                                          "identifierName": "includes"
                                        },
                                        "name": "includes"
                                      },
                                      "computed": false
                                    },
                                    "arguments": [
                                      {
                                        "type": "StringLiteral",
                                        "start": 914,
                                        "end": 928,
                                        "loc": {
                                          "start": {
                                            "line": 30,
                                            "column": 37
                                          },
                                          "end": {
                                            "line": 30,
                                            "column": 51
                                          }
                                        },
                                        "extra": {
                                          "rawValue": "return html`",
                                          "raw": "'return html`'"
                                        },
                                        "value": "return html`"
                                      }
                                    ]
                                  },
                                  "extra": {
                                    "parenthesizedArgument": false
                                  }
                                },
                                "operator": "&&",
                                "right": {
                                  "type": "UnaryExpression",
                                  "start": 943,
                                  "end": 981,
                                  "loc": {
                                    "start": {
                                      "line": 31,
                                      "column": 9
                                    },
                                    "end": {
                                      "line": 31,
                                      "column": 47
                                    }
                                  },
                                  "operator": "!",
                                  "prefix": true,
                                  "argument": {
                                    "type": "CallExpression",
                                    "start": 944,
                                    "end": 981,
                                    "loc": {
                                      "start": {
                                        "line": 31,
                                        "column": 10
                                      },
                                      "end": {
                                        "line": 31,
                                        "column": 47
                                      }
                                    },
                                    "callee": {
                                      "type": "MemberExpression",
                                      "start": 944,
                                      "end": 969,
                                      "loc": {
                                        "start": {
                                          "line": 31,
                                          "column": 10
                                        },
                                        "end": {
                                          "line": 31,
                                          "column": 35
                                        }
                                      },
                                      "object": {
                                        "type": "CallExpression",
                                        "start": 944,
                                        "end": 960,
                                        "loc": {
                                          "start": {
                                            "line": 31,
                                            "column": 10
                                          },
                                          "end": {
                                            "line": 31,
                                            "column": 26
                                          }
                                        },
                                        "callee": {
                                          "type": "Identifier",
                                          "start": 944,
                                          "end": 950,
                                          "loc": {
                                            "start": {
                                              "line": 31,
                                              "column": 10
                                            },
                                            "end": {
                                              "line": 31,
                                              "column": 16
                                            },
                                            "identifierName": "String"
                                          },
                                          "name": "String"
                                        },
                                        "arguments": [
                                          {
                                            "type": "Identifier",
                                            "start": 951,
                                            "end": 959,
                                            "loc": {
                                              "start": {
                                                "line": 31,
                                                "column": 17
                                              },
                                              "end": {
                                                "line": 31,
                                                "column": 25
                                              },
                                              "identifierName": "renderer"
                                            },
                                            "name": "renderer"
                                          }
                                        ]
                                      },
                                      "property": {
                                        "type": "Identifier",
                                        "start": 961,
                                        "end": 969,
                                        "loc": {
                                          "start": {
                                            "line": 31,
                                            "column": 27
                                          },
                                          "end": {
                                            "line": 31,
                                            "column": 35
                                          },
                                          "identifierName": "includes"
                                        },
                                        "name": "includes"
                                      },
                                      "computed": false
                                    },
                                    "arguments": [
                                      {
                                        "type": "StringLiteral",
                                        "start": 970,
                                        "end": 980,
                                        "loc": {
                                          "start": {
                                            "line": 31,
                                            "column": 36
                                          },
                                          "end": {
                                            "line": 31,
                                            "column": 46
                                          }
                                        },
                                        "extra": {
                                          "rawValue": "template",
                                          "raw": "'template'"
                                        },
                                        "value": "template"
                                      }
                                    ]
                                  },
                                  "extra": {
                                    "parenthesizedArgument": false
                                  }
                                }
                              },
                              "consequent": {
                                "type": "BlockStatement",
                                "start": 983,
                                "end": 1030,
                                "loc": {
                                  "start": {
                                    "line": 31,
                                    "column": 49
                                  },
                                  "end": {
                                    "line": 33,
                                    "column": 7
                                  }
                                },
                                "body": [
                                  {
                                    "type": "ThrowStatement",
                                    "start": 995,
                                    "end": 1021,
                                    "loc": {
                                      "start": {
                                        "line": 32,
                                        "column": 9
                                      },
                                      "end": {
                                        "line": 32,
                                        "column": 35
                                      }
                                    },
                                    "argument": {
                                      "type": "StringLiteral",
                                      "start": 1001,
                                      "end": 1020,
                                      "loc": {
                                        "start": {
                                          "line": 32,
                                          "column": 15
                                        },
                                        "end": {
                                          "line": 32,
                                          "column": 34
                                        }
                                      },
                                      "extra": {
                                        "rawValue": "Invalid renderer!",
                                        "raw": "'Invalid renderer!'"
                                      },
                                      "value": "Invalid renderer!"
                                    }
                                  }
                                ],
                                "directives": []
                              },
                              "alternate": null
                            }
                          ],
                          "directives": []
                        }
                      }
                    ]
                  }
                }
              }
            ],
            "directives": []
          },
          "leadingComments": [
            {
              "type": "CommentBlock",
              "value": "*\r\n * @module LitMixin\r\n * @mixin Backed\r\n * @param {class} base class to extend from\r\n ",
              "start": 211,
              "end": 303,
              "loc": {
                "start": {
                  "line": 6,
                  "column": 0
                },
                "end": {
                  "line": 10,
                  "column": 3
                }
              }
            }
          ],
          "trailingComments": []
        },
        "leadingComments": [
          {
            "type": "CommentBlock",
            "value": "*\r\n * @module LitMixin\r\n * @mixin Backed\r\n * @param {class} base class to extend from\r\n ",
            "start": 211,
            "end": 303,
            "loc": {
              "start": {
                "line": 6,
                "column": 0
              },
              "end": {
                "line": 10,
                "column": 3
              }
            }
          }
        ]
      }
    ],
    "directives": []
  },
  "comments": [
    {
      "type": "CommentBlock",
      "value": "*\r\n * @module LitMixin\r\n * @mixin Backed\r\n * @param {class} base class to extend from\r\n ",
      "start": 211,
      "end": 303,
      "loc": {
        "start": {
          "line": 6,
          "column": 0
        },
        "end": {
          "line": 10,
          "column": 3
        }
      }
    }
  ],
  "tokens": [
    {
      "type": {
        "label": "import",
        "keyword": "import",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "import",
      "start": 0,
      "end": 6,
      "loc": {
        "start": {
          "line": 1,
          "column": 0
        },
        "end": {
          "line": 1,
          "column": 6
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 7,
      "end": 8,
      "loc": {
        "start": {
          "line": 1,
          "column": 7
        },
        "end": {
          "line": 1,
          "column": 8
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "html",
      "start": 9,
      "end": 13,
      "loc": {
        "start": {
          "line": 1,
          "column": 9
        },
        "end": {
          "line": 1,
          "column": 13
        }
      }
    },
    {
      "type": {
        "label": ",",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 13,
      "end": 14,
      "loc": {
        "start": {
          "line": 1,
          "column": 13
        },
        "end": {
          "line": 1,
          "column": 14
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "render",
      "start": 15,
      "end": 21,
      "loc": {
        "start": {
          "line": 1,
          "column": 15
        },
        "end": {
          "line": 1,
          "column": 21
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 22,
      "end": 23,
      "loc": {
        "start": {
          "line": 1,
          "column": 22
        },
        "end": {
          "line": 1,
          "column": 23
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "from",
      "start": 24,
      "end": 28,
      "loc": {
        "start": {
          "line": 1,
          "column": 24
        },
        "end": {
          "line": 1,
          "column": 28
        }
      }
    },
    {
      "type": {
        "label": "string",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "./../../node_modules/lit-html/lit-html.js",
      "start": 29,
      "end": 72,
      "loc": {
        "start": {
          "line": 1,
          "column": 29
        },
        "end": {
          "line": 1,
          "column": 72
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 72,
      "end": 73,
      "loc": {
        "start": {
          "line": 1,
          "column": 72
        },
        "end": {
          "line": 1,
          "column": 73
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "window",
      "start": 75,
      "end": 81,
      "loc": {
        "start": {
          "line": 2,
          "column": 0
        },
        "end": {
          "line": 2,
          "column": 6
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 81,
      "end": 82,
      "loc": {
        "start": {
          "line": 2,
          "column": 6
        },
        "end": {
          "line": 2,
          "column": 7
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "html",
      "start": 82,
      "end": 86,
      "loc": {
        "start": {
          "line": 2,
          "column": 7
        },
        "end": {
          "line": 2,
          "column": 11
        }
      }
    },
    {
      "type": {
        "label": "=",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": true,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "=",
      "start": 87,
      "end": 88,
      "loc": {
        "start": {
          "line": 2,
          "column": 12
        },
        "end": {
          "line": 2,
          "column": 13
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "window",
      "start": 89,
      "end": 95,
      "loc": {
        "start": {
          "line": 2,
          "column": 14
        },
        "end": {
          "line": 2,
          "column": 20
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 95,
      "end": 96,
      "loc": {
        "start": {
          "line": 2,
          "column": 20
        },
        "end": {
          "line": 2,
          "column": 21
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "html",
      "start": 96,
      "end": 100,
      "loc": {
        "start": {
          "line": 2,
          "column": 21
        },
        "end": {
          "line": 2,
          "column": 25
        }
      }
    },
    {
      "type": {
        "label": "||",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": 1,
        "updateContext": null
      },
      "value": "||",
      "start": 101,
      "end": 103,
      "loc": {
        "start": {
          "line": 2,
          "column": 26
        },
        "end": {
          "line": 2,
          "column": 28
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "html",
      "start": 104,
      "end": 108,
      "loc": {
        "start": {
          "line": 2,
          "column": 29
        },
        "end": {
          "line": 2,
          "column": 33
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 108,
      "end": 109,
      "loc": {
        "start": {
          "line": 2,
          "column": 33
        },
        "end": {
          "line": 2,
          "column": 34
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "window",
      "start": 111,
      "end": 117,
      "loc": {
        "start": {
          "line": 3,
          "column": 0
        },
        "end": {
          "line": 3,
          "column": 6
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 117,
      "end": 118,
      "loc": {
        "start": {
          "line": 3,
          "column": 6
        },
        "end": {
          "line": 3,
          "column": 7
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "Backed",
      "start": 118,
      "end": 124,
      "loc": {
        "start": {
          "line": 3,
          "column": 7
        },
        "end": {
          "line": 3,
          "column": 13
        }
      }
    },
    {
      "type": {
        "label": "=",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": true,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "=",
      "start": 125,
      "end": 126,
      "loc": {
        "start": {
          "line": 3,
          "column": 14
        },
        "end": {
          "line": 3,
          "column": 15
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "window",
      "start": 127,
      "end": 133,
      "loc": {
        "start": {
          "line": 3,
          "column": 16
        },
        "end": {
          "line": 3,
          "column": 22
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 133,
      "end": 134,
      "loc": {
        "start": {
          "line": 3,
          "column": 22
        },
        "end": {
          "line": 3,
          "column": 23
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "Backed",
      "start": 134,
      "end": 140,
      "loc": {
        "start": {
          "line": 3,
          "column": 23
        },
        "end": {
          "line": 3,
          "column": 29
        }
      }
    },
    {
      "type": {
        "label": "||",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": 1,
        "updateContext": null
      },
      "value": "||",
      "start": 141,
      "end": 143,
      "loc": {
        "start": {
          "line": 3,
          "column": 30
        },
        "end": {
          "line": 3,
          "column": 32
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 144,
      "end": 145,
      "loc": {
        "start": {
          "line": 3,
          "column": 33
        },
        "end": {
          "line": 3,
          "column": 34
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 145,
      "end": 146,
      "loc": {
        "start": {
          "line": 3,
          "column": 34
        },
        "end": {
          "line": 3,
          "column": 35
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 146,
      "end": 147,
      "loc": {
        "start": {
          "line": 3,
          "column": 35
        },
        "end": {
          "line": 3,
          "column": 36
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "window",
      "start": 149,
      "end": 155,
      "loc": {
        "start": {
          "line": 4,
          "column": 0
        },
        "end": {
          "line": 4,
          "column": 6
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 155,
      "end": 156,
      "loc": {
        "start": {
          "line": 4,
          "column": 6
        },
        "end": {
          "line": 4,
          "column": 7
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "Backed",
      "start": 156,
      "end": 162,
      "loc": {
        "start": {
          "line": 4,
          "column": 7
        },
        "end": {
          "line": 4,
          "column": 13
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 162,
      "end": 163,
      "loc": {
        "start": {
          "line": 4,
          "column": 13
        },
        "end": {
          "line": 4,
          "column": 14
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "Renderer",
      "start": 163,
      "end": 171,
      "loc": {
        "start": {
          "line": 4,
          "column": 14
        },
        "end": {
          "line": 4,
          "column": 22
        }
      }
    },
    {
      "type": {
        "label": "=",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": true,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "=",
      "start": 172,
      "end": 173,
      "loc": {
        "start": {
          "line": 4,
          "column": 23
        },
        "end": {
          "line": 4,
          "column": 24
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "window",
      "start": 174,
      "end": 180,
      "loc": {
        "start": {
          "line": 4,
          "column": 25
        },
        "end": {
          "line": 4,
          "column": 31
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 180,
      "end": 181,
      "loc": {
        "start": {
          "line": 4,
          "column": 31
        },
        "end": {
          "line": 4,
          "column": 32
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "Backed",
      "start": 181,
      "end": 187,
      "loc": {
        "start": {
          "line": 4,
          "column": 32
        },
        "end": {
          "line": 4,
          "column": 38
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 187,
      "end": 188,
      "loc": {
        "start": {
          "line": 4,
          "column": 38
        },
        "end": {
          "line": 4,
          "column": 39
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "Renderer",
      "start": 188,
      "end": 196,
      "loc": {
        "start": {
          "line": 4,
          "column": 39
        },
        "end": {
          "line": 4,
          "column": 47
        }
      }
    },
    {
      "type": {
        "label": "||",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": 1,
        "updateContext": null
      },
      "value": "||",
      "start": 197,
      "end": 199,
      "loc": {
        "start": {
          "line": 4,
          "column": 48
        },
        "end": {
          "line": 4,
          "column": 50
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "render",
      "start": 200,
      "end": 206,
      "loc": {
        "start": {
          "line": 4,
          "column": 51
        },
        "end": {
          "line": 4,
          "column": 57
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 206,
      "end": 207,
      "loc": {
        "start": {
          "line": 4,
          "column": 57
        },
        "end": {
          "line": 4,
          "column": 58
        }
      }
    },
    {
      "type": "CommentBlock",
      "value": "*\r\n * @module LitMixin\r\n * @mixin Backed\r\n * @param {class} base class to extend from\r\n ",
      "start": 211,
      "end": 303,
      "loc": {
        "start": {
          "line": 6,
          "column": 0
        },
        "end": {
          "line": 10,
          "column": 3
        }
      }
    },
    {
      "type": {
        "label": "export",
        "keyword": "export",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "export",
      "start": 305,
      "end": 311,
      "loc": {
        "start": {
          "line": 11,
          "column": 0
        },
        "end": {
          "line": 11,
          "column": 6
        }
      }
    },
    {
      "type": {
        "label": "default",
        "keyword": "default",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "default",
      "start": 312,
      "end": 319,
      "loc": {
        "start": {
          "line": 11,
          "column": 7
        },
        "end": {
          "line": 11,
          "column": 14
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "base",
      "start": 320,
      "end": 324,
      "loc": {
        "start": {
          "line": 11,
          "column": 15
        },
        "end": {
          "line": 11,
          "column": 19
        }
      }
    },
    {
      "type": {
        "label": "=>",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 325,
      "end": 327,
      "loc": {
        "start": {
          "line": 11,
          "column": 20
        },
        "end": {
          "line": 11,
          "column": 22
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 328,
      "end": 329,
      "loc": {
        "start": {
          "line": 11,
          "column": 23
        },
        "end": {
          "line": 11,
          "column": 24
        }
      }
    },
    {
      "type": {
        "label": "return",
        "keyword": "return",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "return",
      "start": 333,
      "end": 339,
      "loc": {
        "start": {
          "line": 12,
          "column": 2
        },
        "end": {
          "line": 12,
          "column": 8
        }
      }
    },
    {
      "type": {
        "label": "class",
        "keyword": "class",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "class",
      "start": 340,
      "end": 345,
      "loc": {
        "start": {
          "line": 12,
          "column": 9
        },
        "end": {
          "line": 12,
          "column": 14
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "LitMixin",
      "start": 346,
      "end": 354,
      "loc": {
        "start": {
          "line": 12,
          "column": 15
        },
        "end": {
          "line": 12,
          "column": 23
        }
      }
    },
    {
      "type": {
        "label": "extends",
        "keyword": "extends",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "extends",
      "start": 355,
      "end": 362,
      "loc": {
        "start": {
          "line": 12,
          "column": 24
        },
        "end": {
          "line": 12,
          "column": 31
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "base",
      "start": 363,
      "end": 367,
      "loc": {
        "start": {
          "line": 12,
          "column": 32
        },
        "end": {
          "line": 12,
          "column": 36
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 368,
      "end": 369,
      "loc": {
        "start": {
          "line": 12,
          "column": 37
        },
        "end": {
          "line": 12,
          "column": 38
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "constructor",
      "start": 375,
      "end": 386,
      "loc": {
        "start": {
          "line": 13,
          "column": 4
        },
        "end": {
          "line": 13,
          "column": 15
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 386,
      "end": 387,
      "loc": {
        "start": {
          "line": 13,
          "column": 15
        },
        "end": {
          "line": 13,
          "column": 16
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "options",
      "start": 387,
      "end": 394,
      "loc": {
        "start": {
          "line": 13,
          "column": 16
        },
        "end": {
          "line": 13,
          "column": 23
        }
      }
    },
    {
      "type": {
        "label": "=",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": true,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "=",
      "start": 395,
      "end": 396,
      "loc": {
        "start": {
          "line": 13,
          "column": 24
        },
        "end": {
          "line": 13,
          "column": 25
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 397,
      "end": 398,
      "loc": {
        "start": {
          "line": 13,
          "column": 26
        },
        "end": {
          "line": 13,
          "column": 27
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 398,
      "end": 399,
      "loc": {
        "start": {
          "line": 13,
          "column": 27
        },
        "end": {
          "line": 13,
          "column": 28
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 399,
      "end": 400,
      "loc": {
        "start": {
          "line": 13,
          "column": 28
        },
        "end": {
          "line": 13,
          "column": 29
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 401,
      "end": 402,
      "loc": {
        "start": {
          "line": 13,
          "column": 30
        },
        "end": {
          "line": 13,
          "column": 31
        }
      }
    },
    {
      "type": {
        "label": "super",
        "keyword": "super",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "super",
      "start": 410,
      "end": 415,
      "loc": {
        "start": {
          "line": 14,
          "column": 6
        },
        "end": {
          "line": 14,
          "column": 11
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 415,
      "end": 416,
      "loc": {
        "start": {
          "line": 14,
          "column": 11
        },
        "end": {
          "line": 14,
          "column": 12
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "options",
      "start": 416,
      "end": 423,
      "loc": {
        "start": {
          "line": 14,
          "column": 12
        },
        "end": {
          "line": 14,
          "column": 19
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 423,
      "end": 424,
      "loc": {
        "start": {
          "line": 14,
          "column": 19
        },
        "end": {
          "line": 14,
          "column": 20
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 424,
      "end": 425,
      "loc": {
        "start": {
          "line": 14,
          "column": 20
        },
        "end": {
          "line": 14,
          "column": 21
        }
      }
    },
    {
      "type": {
        "label": "if",
        "keyword": "if",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "if",
      "start": 433,
      "end": 435,
      "loc": {
        "start": {
          "line": 15,
          "column": 6
        },
        "end": {
          "line": 15,
          "column": 8
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 436,
      "end": 437,
      "loc": {
        "start": {
          "line": 15,
          "column": 9
        },
        "end": {
          "line": 15,
          "column": 10
        }
      }
    },
    {
      "type": {
        "label": "prefix",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": true,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "!",
      "start": 437,
      "end": 438,
      "loc": {
        "start": {
          "line": 15,
          "column": 10
        },
        "end": {
          "line": 15,
          "column": 11
        }
      }
    },
    {
      "type": {
        "label": "this",
        "keyword": "this",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "this",
      "start": 438,
      "end": 442,
      "loc": {
        "start": {
          "line": 15,
          "column": 11
        },
        "end": {
          "line": 15,
          "column": 15
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 442,
      "end": 443,
      "loc": {
        "start": {
          "line": 15,
          "column": 15
        },
        "end": {
          "line": 15,
          "column": 16
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "shadowRoot",
      "start": 443,
      "end": 453,
      "loc": {
        "start": {
          "line": 15,
          "column": 16
        },
        "end": {
          "line": 15,
          "column": 26
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 453,
      "end": 454,
      "loc": {
        "start": {
          "line": 15,
          "column": 26
        },
        "end": {
          "line": 15,
          "column": 27
        }
      }
    },
    {
      "type": {
        "label": "this",
        "keyword": "this",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "this",
      "start": 455,
      "end": 459,
      "loc": {
        "start": {
          "line": 15,
          "column": 28
        },
        "end": {
          "line": 15,
          "column": 32
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 459,
      "end": 460,
      "loc": {
        "start": {
          "line": 15,
          "column": 32
        },
        "end": {
          "line": 15,
          "column": 33
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "attachShadow",
      "start": 460,
      "end": 472,
      "loc": {
        "start": {
          "line": 15,
          "column": 33
        },
        "end": {
          "line": 15,
          "column": 45
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 472,
      "end": 473,
      "loc": {
        "start": {
          "line": 15,
          "column": 45
        },
        "end": {
          "line": 15,
          "column": 46
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 473,
      "end": 474,
      "loc": {
        "start": {
          "line": 15,
          "column": 46
        },
        "end": {
          "line": 15,
          "column": 47
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "mode",
      "start": 474,
      "end": 478,
      "loc": {
        "start": {
          "line": 15,
          "column": 47
        },
        "end": {
          "line": 15,
          "column": 51
        }
      }
    },
    {
      "type": {
        "label": ":",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 478,
      "end": 479,
      "loc": {
        "start": {
          "line": 15,
          "column": 51
        },
        "end": {
          "line": 15,
          "column": 52
        }
      }
    },
    {
      "type": {
        "label": "string",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "open",
      "start": 480,
      "end": 486,
      "loc": {
        "start": {
          "line": 15,
          "column": 53
        },
        "end": {
          "line": 15,
          "column": 59
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 486,
      "end": 487,
      "loc": {
        "start": {
          "line": 15,
          "column": 59
        },
        "end": {
          "line": 15,
          "column": 60
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 487,
      "end": 488,
      "loc": {
        "start": {
          "line": 15,
          "column": 60
        },
        "end": {
          "line": 15,
          "column": 61
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 488,
      "end": 489,
      "loc": {
        "start": {
          "line": 15,
          "column": 61
        },
        "end": {
          "line": 15,
          "column": 62
        }
      }
    },
    {
      "type": {
        "label": "this",
        "keyword": "this",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "this",
      "start": 497,
      "end": 501,
      "loc": {
        "start": {
          "line": 16,
          "column": 6
        },
        "end": {
          "line": 16,
          "column": 10
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 501,
      "end": 502,
      "loc": {
        "start": {
          "line": 16,
          "column": 10
        },
        "end": {
          "line": 16,
          "column": 11
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "_isValidRenderer",
      "start": 502,
      "end": 518,
      "loc": {
        "start": {
          "line": 16,
          "column": 11
        },
        "end": {
          "line": 16,
          "column": 27
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 518,
      "end": 519,
      "loc": {
        "start": {
          "line": 16,
          "column": 27
        },
        "end": {
          "line": 16,
          "column": 28
        }
      }
    },
    {
      "type": {
        "label": "this",
        "keyword": "this",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "this",
      "start": 519,
      "end": 523,
      "loc": {
        "start": {
          "line": 16,
          "column": 28
        },
        "end": {
          "line": 16,
          "column": 32
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 523,
      "end": 524,
      "loc": {
        "start": {
          "line": 16,
          "column": 32
        },
        "end": {
          "line": 16,
          "column": 33
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "render",
      "start": 524,
      "end": 530,
      "loc": {
        "start": {
          "line": 16,
          "column": 33
        },
        "end": {
          "line": 16,
          "column": 39
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 530,
      "end": 531,
      "loc": {
        "start": {
          "line": 16,
          "column": 39
        },
        "end": {
          "line": 16,
          "column": 40
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 531,
      "end": 532,
      "loc": {
        "start": {
          "line": 16,
          "column": 40
        },
        "end": {
          "line": 16,
          "column": 41
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 538,
      "end": 539,
      "loc": {
        "start": {
          "line": 17,
          "column": 4
        },
        "end": {
          "line": 17,
          "column": 5
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "connectedCallback",
      "start": 545,
      "end": 562,
      "loc": {
        "start": {
          "line": 18,
          "column": 4
        },
        "end": {
          "line": 18,
          "column": 21
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 562,
      "end": 563,
      "loc": {
        "start": {
          "line": 18,
          "column": 21
        },
        "end": {
          "line": 18,
          "column": 22
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 563,
      "end": 564,
      "loc": {
        "start": {
          "line": 18,
          "column": 22
        },
        "end": {
          "line": 18,
          "column": 23
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 565,
      "end": 566,
      "loc": {
        "start": {
          "line": 18,
          "column": 24
        },
        "end": {
          "line": 18,
          "column": 25
        }
      }
    },
    {
      "type": {
        "label": "if",
        "keyword": "if",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "if",
      "start": 574,
      "end": 576,
      "loc": {
        "start": {
          "line": 19,
          "column": 6
        },
        "end": {
          "line": 19,
          "column": 8
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 577,
      "end": 578,
      "loc": {
        "start": {
          "line": 19,
          "column": 9
        },
        "end": {
          "line": 19,
          "column": 10
        }
      }
    },
    {
      "type": {
        "label": "super",
        "keyword": "super",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "super",
      "start": 578,
      "end": 583,
      "loc": {
        "start": {
          "line": 19,
          "column": 10
        },
        "end": {
          "line": 19,
          "column": 15
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 583,
      "end": 584,
      "loc": {
        "start": {
          "line": 19,
          "column": 15
        },
        "end": {
          "line": 19,
          "column": 16
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "connectedCallback",
      "start": 584,
      "end": 601,
      "loc": {
        "start": {
          "line": 19,
          "column": 16
        },
        "end": {
          "line": 19,
          "column": 33
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 601,
      "end": 602,
      "loc": {
        "start": {
          "line": 19,
          "column": 33
        },
        "end": {
          "line": 19,
          "column": 34
        }
      }
    },
    {
      "type": {
        "label": "super",
        "keyword": "super",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "super",
      "start": 603,
      "end": 608,
      "loc": {
        "start": {
          "line": 19,
          "column": 35
        },
        "end": {
          "line": 19,
          "column": 40
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 608,
      "end": 609,
      "loc": {
        "start": {
          "line": 19,
          "column": 40
        },
        "end": {
          "line": 19,
          "column": 41
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "connectedCallback",
      "start": 609,
      "end": 626,
      "loc": {
        "start": {
          "line": 19,
          "column": 41
        },
        "end": {
          "line": 19,
          "column": 58
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 626,
      "end": 627,
      "loc": {
        "start": {
          "line": 19,
          "column": 58
        },
        "end": {
          "line": 19,
          "column": 59
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 627,
      "end": 628,
      "loc": {
        "start": {
          "line": 19,
          "column": 59
        },
        "end": {
          "line": 19,
          "column": 60
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 628,
      "end": 629,
      "loc": {
        "start": {
          "line": 19,
          "column": 60
        },
        "end": {
          "line": 19,
          "column": 61
        }
      }
    },
    {
      "type": {
        "label": "if",
        "keyword": "if",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "if",
      "start": 637,
      "end": 639,
      "loc": {
        "start": {
          "line": 20,
          "column": 6
        },
        "end": {
          "line": 20,
          "column": 8
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 640,
      "end": 641,
      "loc": {
        "start": {
          "line": 20,
          "column": 9
        },
        "end": {
          "line": 20,
          "column": 10
        }
      }
    },
    {
      "type": {
        "label": "this",
        "keyword": "this",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "this",
      "start": 641,
      "end": 645,
      "loc": {
        "start": {
          "line": 20,
          "column": 10
        },
        "end": {
          "line": 20,
          "column": 14
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 645,
      "end": 646,
      "loc": {
        "start": {
          "line": 20,
          "column": 14
        },
        "end": {
          "line": 20,
          "column": 15
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "render",
      "start": 646,
      "end": 652,
      "loc": {
        "start": {
          "line": 20,
          "column": 15
        },
        "end": {
          "line": 20,
          "column": 21
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 652,
      "end": 653,
      "loc": {
        "start": {
          "line": 20,
          "column": 21
        },
        "end": {
          "line": 20,
          "column": 22
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 654,
      "end": 655,
      "loc": {
        "start": {
          "line": 20,
          "column": 23
        },
        "end": {
          "line": 20,
          "column": 24
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "render",
      "start": 665,
      "end": 671,
      "loc": {
        "start": {
          "line": 21,
          "column": 8
        },
        "end": {
          "line": 21,
          "column": 14
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 671,
      "end": 672,
      "loc": {
        "start": {
          "line": 21,
          "column": 14
        },
        "end": {
          "line": 21,
          "column": 15
        }
      }
    },
    {
      "type": {
        "label": "this",
        "keyword": "this",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "this",
      "start": 672,
      "end": 676,
      "loc": {
        "start": {
          "line": 21,
          "column": 15
        },
        "end": {
          "line": 21,
          "column": 19
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 676,
      "end": 677,
      "loc": {
        "start": {
          "line": 21,
          "column": 19
        },
        "end": {
          "line": 21,
          "column": 20
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "render",
      "start": 677,
      "end": 683,
      "loc": {
        "start": {
          "line": 21,
          "column": 20
        },
        "end": {
          "line": 21,
          "column": 26
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 683,
      "end": 684,
      "loc": {
        "start": {
          "line": 21,
          "column": 26
        },
        "end": {
          "line": 21,
          "column": 27
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 684,
      "end": 685,
      "loc": {
        "start": {
          "line": 21,
          "column": 27
        },
        "end": {
          "line": 21,
          "column": 28
        }
      }
    },
    {
      "type": {
        "label": ",",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 685,
      "end": 686,
      "loc": {
        "start": {
          "line": 21,
          "column": 28
        },
        "end": {
          "line": 21,
          "column": 29
        }
      }
    },
    {
      "type": {
        "label": "this",
        "keyword": "this",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "this",
      "start": 687,
      "end": 691,
      "loc": {
        "start": {
          "line": 21,
          "column": 30
        },
        "end": {
          "line": 21,
          "column": 34
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 691,
      "end": 692,
      "loc": {
        "start": {
          "line": 21,
          "column": 34
        },
        "end": {
          "line": 21,
          "column": 35
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "shadowRoot",
      "start": 692,
      "end": 702,
      "loc": {
        "start": {
          "line": 21,
          "column": 35
        },
        "end": {
          "line": 21,
          "column": 45
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 702,
      "end": 703,
      "loc": {
        "start": {
          "line": 21,
          "column": 45
        },
        "end": {
          "line": 21,
          "column": 46
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 703,
      "end": 704,
      "loc": {
        "start": {
          "line": 21,
          "column": 46
        },
        "end": {
          "line": 21,
          "column": 47
        }
      }
    },
    {
      "type": {
        "label": "this",
        "keyword": "this",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "this",
      "start": 714,
      "end": 718,
      "loc": {
        "start": {
          "line": 22,
          "column": 8
        },
        "end": {
          "line": 22,
          "column": 12
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 718,
      "end": 719,
      "loc": {
        "start": {
          "line": 22,
          "column": 12
        },
        "end": {
          "line": 22,
          "column": 13
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "rendered",
      "start": 719,
      "end": 727,
      "loc": {
        "start": {
          "line": 22,
          "column": 13
        },
        "end": {
          "line": 22,
          "column": 21
        }
      }
    },
    {
      "type": {
        "label": "=",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": true,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "=",
      "start": 728,
      "end": 729,
      "loc": {
        "start": {
          "line": 22,
          "column": 22
        },
        "end": {
          "line": 22,
          "column": 23
        }
      }
    },
    {
      "type": {
        "label": "true",
        "keyword": "true",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "true",
      "start": 730,
      "end": 734,
      "loc": {
        "start": {
          "line": 22,
          "column": 24
        },
        "end": {
          "line": 22,
          "column": 28
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 734,
      "end": 735,
      "loc": {
        "start": {
          "line": 22,
          "column": 28
        },
        "end": {
          "line": 22,
          "column": 29
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 743,
      "end": 744,
      "loc": {
        "start": {
          "line": 23,
          "column": 6
        },
        "end": {
          "line": 23,
          "column": 7
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 744,
      "end": 745,
      "loc": {
        "start": {
          "line": 23,
          "column": 7
        },
        "end": {
          "line": 23,
          "column": 8
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 751,
      "end": 752,
      "loc": {
        "start": {
          "line": 24,
          "column": 4
        },
        "end": {
          "line": 24,
          "column": 5
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "_isValidRenderer",
      "start": 758,
      "end": 774,
      "loc": {
        "start": {
          "line": 25,
          "column": 4
        },
        "end": {
          "line": 25,
          "column": 20
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 774,
      "end": 775,
      "loc": {
        "start": {
          "line": 25,
          "column": 20
        },
        "end": {
          "line": 25,
          "column": 21
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "renderer",
      "start": 775,
      "end": 783,
      "loc": {
        "start": {
          "line": 25,
          "column": 21
        },
        "end": {
          "line": 25,
          "column": 29
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 783,
      "end": 784,
      "loc": {
        "start": {
          "line": 25,
          "column": 29
        },
        "end": {
          "line": 25,
          "column": 30
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 785,
      "end": 786,
      "loc": {
        "start": {
          "line": 25,
          "column": 31
        },
        "end": {
          "line": 25,
          "column": 32
        }
      }
    },
    {
      "type": {
        "label": "if",
        "keyword": "if",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "if",
      "start": 794,
      "end": 796,
      "loc": {
        "start": {
          "line": 26,
          "column": 6
        },
        "end": {
          "line": 26,
          "column": 8
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 797,
      "end": 798,
      "loc": {
        "start": {
          "line": 26,
          "column": 9
        },
        "end": {
          "line": 26,
          "column": 10
        }
      }
    },
    {
      "type": {
        "label": "prefix",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": true,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "!",
      "start": 798,
      "end": 799,
      "loc": {
        "start": {
          "line": 26,
          "column": 10
        },
        "end": {
          "line": 26,
          "column": 11
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "renderer",
      "start": 799,
      "end": 807,
      "loc": {
        "start": {
          "line": 26,
          "column": 11
        },
        "end": {
          "line": 26,
          "column": 19
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 807,
      "end": 808,
      "loc": {
        "start": {
          "line": 26,
          "column": 19
        },
        "end": {
          "line": 26,
          "column": 20
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 809,
      "end": 810,
      "loc": {
        "start": {
          "line": 26,
          "column": 21
        },
        "end": {
          "line": 26,
          "column": 22
        }
      }
    },
    {
      "type": {
        "label": "throw",
        "keyword": "throw",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "throw",
      "start": 819,
      "end": 824,
      "loc": {
        "start": {
          "line": 27,
          "column": 7
        },
        "end": {
          "line": 27,
          "column": 12
        }
      }
    },
    {
      "type": {
        "label": "string",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "Missing render method!",
      "start": 825,
      "end": 849,
      "loc": {
        "start": {
          "line": 27,
          "column": 13
        },
        "end": {
          "line": 27,
          "column": 37
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 849,
      "end": 850,
      "loc": {
        "start": {
          "line": 27,
          "column": 37
        },
        "end": {
          "line": 27,
          "column": 38
        }
      }
    },
    {
      "type": {
        "label": "return",
        "keyword": "return",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "return",
      "start": 859,
      "end": 865,
      "loc": {
        "start": {
          "line": 28,
          "column": 7
        },
        "end": {
          "line": 28,
          "column": 13
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 865,
      "end": 866,
      "loc": {
        "start": {
          "line": 28,
          "column": 13
        },
        "end": {
          "line": 28,
          "column": 14
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 874,
      "end": 875,
      "loc": {
        "start": {
          "line": 29,
          "column": 6
        },
        "end": {
          "line": 29,
          "column": 7
        }
      }
    },
    {
      "type": {
        "label": "if",
        "keyword": "if",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "if",
      "start": 883,
      "end": 885,
      "loc": {
        "start": {
          "line": 30,
          "column": 6
        },
        "end": {
          "line": 30,
          "column": 8
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 886,
      "end": 887,
      "loc": {
        "start": {
          "line": 30,
          "column": 9
        },
        "end": {
          "line": 30,
          "column": 10
        }
      }
    },
    {
      "type": {
        "label": "prefix",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": true,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "!",
      "start": 887,
      "end": 888,
      "loc": {
        "start": {
          "line": 30,
          "column": 10
        },
        "end": {
          "line": 30,
          "column": 11
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "String",
      "start": 888,
      "end": 894,
      "loc": {
        "start": {
          "line": 30,
          "column": 11
        },
        "end": {
          "line": 30,
          "column": 17
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 894,
      "end": 895,
      "loc": {
        "start": {
          "line": 30,
          "column": 17
        },
        "end": {
          "line": 30,
          "column": 18
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "renderer",
      "start": 895,
      "end": 903,
      "loc": {
        "start": {
          "line": 30,
          "column": 18
        },
        "end": {
          "line": 30,
          "column": 26
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 903,
      "end": 904,
      "loc": {
        "start": {
          "line": 30,
          "column": 26
        },
        "end": {
          "line": 30,
          "column": 27
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 904,
      "end": 905,
      "loc": {
        "start": {
          "line": 30,
          "column": 27
        },
        "end": {
          "line": 30,
          "column": 28
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "includes",
      "start": 905,
      "end": 913,
      "loc": {
        "start": {
          "line": 30,
          "column": 28
        },
        "end": {
          "line": 30,
          "column": 36
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 913,
      "end": 914,
      "loc": {
        "start": {
          "line": 30,
          "column": 36
        },
        "end": {
          "line": 30,
          "column": 37
        }
      }
    },
    {
      "type": {
        "label": "string",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "return html`",
      "start": 914,
      "end": 928,
      "loc": {
        "start": {
          "line": 30,
          "column": 37
        },
        "end": {
          "line": 30,
          "column": 51
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 928,
      "end": 929,
      "loc": {
        "start": {
          "line": 30,
          "column": 51
        },
        "end": {
          "line": 30,
          "column": 52
        }
      }
    },
    {
      "type": {
        "label": "&&",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": 2,
        "updateContext": null
      },
      "value": "&&",
      "start": 930,
      "end": 932,
      "loc": {
        "start": {
          "line": 30,
          "column": 53
        },
        "end": {
          "line": 30,
          "column": 55
        }
      }
    },
    {
      "type": {
        "label": "prefix",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": true,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "!",
      "start": 943,
      "end": 944,
      "loc": {
        "start": {
          "line": 31,
          "column": 9
        },
        "end": {
          "line": 31,
          "column": 10
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "String",
      "start": 944,
      "end": 950,
      "loc": {
        "start": {
          "line": 31,
          "column": 10
        },
        "end": {
          "line": 31,
          "column": 16
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 950,
      "end": 951,
      "loc": {
        "start": {
          "line": 31,
          "column": 16
        },
        "end": {
          "line": 31,
          "column": 17
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "renderer",
      "start": 951,
      "end": 959,
      "loc": {
        "start": {
          "line": 31,
          "column": 17
        },
        "end": {
          "line": 31,
          "column": 25
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 959,
      "end": 960,
      "loc": {
        "start": {
          "line": 31,
          "column": 25
        },
        "end": {
          "line": 31,
          "column": 26
        }
      }
    },
    {
      "type": {
        "label": ".",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 960,
      "end": 961,
      "loc": {
        "start": {
          "line": 31,
          "column": 26
        },
        "end": {
          "line": 31,
          "column": 27
        }
      }
    },
    {
      "type": {
        "label": "name",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "value": "includes",
      "start": 961,
      "end": 969,
      "loc": {
        "start": {
          "line": 31,
          "column": 27
        },
        "end": {
          "line": 31,
          "column": 35
        }
      }
    },
    {
      "type": {
        "label": "(",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 969,
      "end": 970,
      "loc": {
        "start": {
          "line": 31,
          "column": 35
        },
        "end": {
          "line": 31,
          "column": 36
        }
      }
    },
    {
      "type": {
        "label": "string",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "template",
      "start": 970,
      "end": 980,
      "loc": {
        "start": {
          "line": 31,
          "column": 36
        },
        "end": {
          "line": 31,
          "column": 46
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 980,
      "end": 981,
      "loc": {
        "start": {
          "line": 31,
          "column": 46
        },
        "end": {
          "line": 31,
          "column": 47
        }
      }
    },
    {
      "type": {
        "label": ")",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 981,
      "end": 982,
      "loc": {
        "start": {
          "line": 31,
          "column": 47
        },
        "end": {
          "line": 31,
          "column": 48
        }
      }
    },
    {
      "type": {
        "label": "{",
        "beforeExpr": true,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 983,
      "end": 984,
      "loc": {
        "start": {
          "line": 31,
          "column": 49
        },
        "end": {
          "line": 31,
          "column": 50
        }
      }
    },
    {
      "type": {
        "label": "throw",
        "keyword": "throw",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "throw",
      "start": 995,
      "end": 1000,
      "loc": {
        "start": {
          "line": 32,
          "column": 9
        },
        "end": {
          "line": 32,
          "column": 14
        }
      }
    },
    {
      "type": {
        "label": "string",
        "beforeExpr": false,
        "startsExpr": true,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "value": "Invalid renderer!",
      "start": 1001,
      "end": 1020,
      "loc": {
        "start": {
          "line": 32,
          "column": 15
        },
        "end": {
          "line": 32,
          "column": 34
        }
      }
    },
    {
      "type": {
        "label": ";",
        "beforeExpr": true,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 1020,
      "end": 1021,
      "loc": {
        "start": {
          "line": 32,
          "column": 34
        },
        "end": {
          "line": 32,
          "column": 35
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 1029,
      "end": 1030,
      "loc": {
        "start": {
          "line": 33,
          "column": 6
        },
        "end": {
          "line": 33,
          "column": 7
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 1036,
      "end": 1037,
      "loc": {
        "start": {
          "line": 34,
          "column": 4
        },
        "end": {
          "line": 34,
          "column": 5
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 1041,
      "end": 1042,
      "loc": {
        "start": {
          "line": 35,
          "column": 2
        },
        "end": {
          "line": 35,
          "column": 3
        }
      }
    },
    {
      "type": {
        "label": "}",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null
      },
      "start": 1044,
      "end": 1045,
      "loc": {
        "start": {
          "line": 36,
          "column": 0
        },
        "end": {
          "line": 36,
          "column": 1
        }
      }
    },
    {
      "type": {
        "label": "eof",
        "beforeExpr": false,
        "startsExpr": false,
        "rightAssociative": false,
        "isLoop": false,
        "isAssign": false,
        "prefix": false,
        "postfix": false,
        "binop": null,
        "updateContext": null
      },
      "start": 1047,
      "end": 1047,
      "loc": {
        "start": {
          "line": 37,
          "column": 0
        },
        "end": {
          "line": 37,
          "column": 0
        }
      }
    }
  ]
}