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                      "referencedDeclaration": 23531,
                      "src": "1836:6:11",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "arguments": [
                        {
                          "hexValue": "30",
                          "id": 23599,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "kind": "number",
                          "lValueRequested": false,
                          "nodeType": "Literal",
                          "src": "1853:1:11",
                          "typeDescriptions": {
                            "typeIdentifier": "t_rational_0_by_1",
                            "typeString": "int_const 0"
                          },
                          "value": "0"
                        }
                      ],
                      "expression": {
                        "argumentTypes": [
                          {
                            "typeIdentifier": "t_rational_0_by_1",
                            "typeString": "int_const 0"
                          }
                        ],
                        "id": 23598,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "lValueRequested": false,
                        "nodeType": "ElementaryTypeNameExpression",
                        "src": "1845:7:11",
                        "typeDescriptions": {
                          "typeIdentifier": "t_type$_t_address_$",
                          "typeString": "type(address)"
                        },
                        "typeName": {
                          "id": 23597,
                          "name": "address",
                          "nodeType": "ElementaryTypeName",
                          "src": "1845:7:11",
                          "typeDescriptions": {}
                        }
                      },
                      "id": 23600,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": true,
                      "kind": "typeConversion",
                      "lValueRequested": false,
                      "names": [],
                      "nodeType": "FunctionCall",
                      "src": "1845:10:11",
                      "tryCall": false,
                      "typeDescriptions": {
                        "typeIdentifier": "t_address_payable",
                        "typeString": "address payable"
                      }
                    },
                    "src": "1836:19:11",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "id": 23602,
                  "nodeType": "ExpressionStatement",
                  "src": "1836:19:11"
                }
              ]
            },
            "documentation": {
              "id": 23583,
              "nodeType": "StructuredDocumentation",
              "src": "1381:331:11",
              "text": " @dev Leaves the contract without owner. It will not be possible to call\n `onlyOwner` functions anymore. Can only be called by the current owner.\n NOTE: Renouncing ownership will leave the contract without an owner,\n thereby removing any functionality that is only available to the owner."
            },
            "functionSelector": "715018a6",
            "implemented": true,
            "kind": "function",
            "modifiers": [
              {
                "id": 23586,
                "modifierName": {
                  "id": 23585,
                  "name": "onlyOwner",
                  "nodeType": "Identifier",
                  "overloadedDeclarations": [],
                  "referencedDeclaration": 23582,
                  "src": "1761:9:11",
                  "typeDescriptions": {
                    "typeIdentifier": "t_modifier$__$",
                    "typeString": "modifier ()"
                  }
                },
                "nodeType": "ModifierInvocation",
                "src": "1761:9:11"
              }
            ],
            "name": "renounceOwnership",
            "parameters": {
              "id": 23584,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1743:2:11"
            },
            "returnParameters": {
              "id": 23587,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1771:0:11"
            },
            "scope": 23633,
            "stateMutability": "nonpayable",
            "virtual": true,
            "visibility": "public"
          },
          {
            "id": 23632,
            "nodeType": "FunctionDefinition",
            "src": "2011:240:11",
            "body": {
              "id": 23631,
              "nodeType": "Block",
              "src": "2081:170:11",
              "statements": [
                {
                  "expression": {
                    "arguments": [
                      {
                        "commonType": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        "id": 23618,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "leftExpression": {
                          "id": 23613,
                          "name": "newOwner",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 23607,
                          "src": "2099:8:11",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address",
                            "typeString": "address"
                          }
                        },
                        "nodeType": "BinaryOperation",
                        "operator": "!=",
                        "rightExpression": {
                          "arguments": [
                            {
                              "hexValue": "30",
                              "id": 23616,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "kind": "number",
                              "lValueRequested": false,
                              "nodeType": "Literal",
                              "src": "2119:1:11",
                              "typeDescriptions": {
                                "typeIdentifier": "t_rational_0_by_1",
                                "typeString": "int_const 0"
                              },
                              "value": "0"
                            }
                          ],
                          "expression": {
                            "argumentTypes": [
                              {
                                "typeIdentifier": "t_rational_0_by_1",
                                "typeString": "int_const 0"
                              }
                            ],
                            "id": 23615,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "lValueRequested": false,
                            "nodeType": "ElementaryTypeNameExpression",
                            "src": "2111:7:11",
                            "typeDescriptions": {
                              "typeIdentifier": "t_type$_t_address_$",
                              "typeString": "type(address)"
                            },
                            "typeName": {
                              "id": 23614,
                              "name": "address",
                              "nodeType": "ElementaryTypeName",
                              "src": "2111:7:11",
                              "typeDescriptions": {}
                            }
                          },
                          "id": 23617,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "kind": "typeConversion",
                          "lValueRequested": false,
                          "names": [],
                          "nodeType": "FunctionCall",
                          "src": "2111:10:11",
                          "tryCall": false,
                          "typeDescriptions": {
                            "typeIdentifier": "t_address_payable",
                            "typeString": "address payable"
                          }
                        },
                        "src": "2099:22:11",
                        "typeDescriptions": {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      },
                      {
                        "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373",
                        "id": 23619,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "string",
                        "lValueRequested": false,
                        "nodeType": "Literal",
                        "src": "2123:40:11",
                        "typeDescriptions": {
                          "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe",
                          "typeString": "literal_string \"Ownable: new owner is the zero address\""
                        },
                        "value": "Ownable: new owner is the zero address"
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        },
                        {
                          "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe",
                          "typeString": "literal_string \"Ownable: new owner is the zero address\""
                        }
                      ],
                      "id": 23612,
                      "name": "require",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [
                        -18,
                        -18
                      ],
                      "referencedDeclaration": -18,
                      "src": "2091:7:11",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
                        "typeString": "function (bool,string memory) pure"
                      }
                    },
                    "id": 23620,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "2091:73:11",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 23621,
                  "nodeType": "ExpressionStatement",
                  "src": "2091:73:11"
                },
                {
                  "eventCall": {
                    "arguments": [
                      {
                        "id": 23623,
                        "name": "_owner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 23531,
                        "src": "2200:6:11",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 23624,
                        "name": "newOwner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 23607,
                        "src": "2208:8:11",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      ],
                      "id": 23622,
                      "name": "OwnershipTransferred",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 23537,
                      "src": "2179:20:11",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$",
                        "typeString": "function (address,address)"
                      }
                    },
                    "id": 23625,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "2179:38:11",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 23626,
                  "nodeType": "EmitStatement",
                  "src": "2174:43:11"
                },
                {
                  "expression": {
                    "id": 23629,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "id": 23627,
                      "name": "_owner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 23531,
                      "src": "2227:6:11",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "id": 23628,
                      "name": "newOwner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 23607,
                      "src": "2236:8:11",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "src": "2227:17:11",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "id": 23630,
                  "nodeType": "ExpressionStatement",
                  "src": "2227:17:11"
                }
              ]
            },
            "documentation": {
              "id": 23605,
              "nodeType": "StructuredDocumentation",
              "src": "1868:138:11",
              "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Can only be called by the current owner."
            },
            "functionSelector": "f2fde38b",
            "implemented": true,
            "kind": "function",
            "modifiers": [
              {
                "id": 23610,
                "modifierName": {
                  "id": 23609,
                  "name": "onlyOwner",
                  "nodeType": "Identifier",
                  "overloadedDeclarations": [],
                  "referencedDeclaration": 23582,
                  "src": "2071:9:11",
                  "typeDescriptions": {
                    "typeIdentifier": "t_modifier$__$",
                    "typeString": "modifier ()"
                  }
                },
                "nodeType": "ModifierInvocation",
                "src": "2071:9:11"
              }
            ],
            "name": "transferOwnership",
            "parameters": {
              "id": 23608,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 23607,
                  "mutability": "mutable",
                  "name": "newOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 23632,
                  "src": "2038:16:11",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 23606,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "2038:7:11",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "2037:18:11"
            },
            "returnParameters": {
              "id": 23611,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "2081:0:11"
            },
            "scope": 23633,
            "stateMutability": "nonpayable",
            "virtual": true,
            "visibility": "public"
          }
        ],
        "abstract": true,
        "baseContracts": [
          {
            "baseName": {
              "id": 23528,
              "name": "Context",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 24068,
              "src": "621:7:11",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_Context_$24068",
                "typeString": "contract Context"
              }
            },
            "id": 23529,
            "nodeType": "InheritanceSpecifier",
            "src": "621:7:11"
          }
        ],
        "contractDependencies": [
          24068
        ],
        "contractKind": "contract",
        "documentation": {
          "id": 23527,
          "nodeType": "StructuredDocumentation",
          "src": "97:494:11",
          "text": " @dev Contract module which provides a basic access control mechanism, where\n there is an account (an owner) that can be granted exclusive access to\n specific functions.\n By default, the owner account will be the one that deploys the contract. This\n can later be changed with {transferOwnership}.\n This module is used through inheritance. It will make available the modifier\n `onlyOwner`, which can be applied to your functions to restrict their use to\n the owner."
        },
        "fullyImplemented": true,
        "linearizedBaseContracts": [
          23633,
          24068
        ],
        "name": "Ownable",
        "scope": 23634
      }
    ],
    "license": "MIT"
  },
  "id": 11
}