{
  "webextensions": {
    "api": {
      "storage": {
        "StorageArea": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/StorageArea",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14"
              }
            }
          },
          "clear": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/StorageArea/clear",
              "support": {
                "chrome": {
                  "version_added": true
                },
                "edge": {
                  "version_added": "14"
                },
                "firefox": {
                  "version_added": "45"
                },
                "firefox_android": {
                  "version_added": "48"
                },
                "opera": {
                  "version_added": "33"
                },
                "safari": {
                  "version_added": "14"
                }
              }
            }
          },
          "get": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/StorageArea/get",
              "support": {
                "chrome": {
                  "version_added": true
                },
                "edge": {
                  "version_added": "14"
                },
                "firefox": {
                  "version_added": "45"
                },
                "firefox_android": {
                  "version_added": "48"
                },
                "opera": {
                  "version_added": "33"
                },
                "safari": {
                  "version_added": "14"
                }
              }
            }
          },
          "getBytesInUse": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/StorageArea/getBytesInUse",
              "support": {
                "chrome": {
                  "version_added": true
                },
                "edge": {
                  "version_added": "14"
                },
                "firefox": {
                  "notes": "Only supported by the <code>sync</code> storage area.",
                  "version_added": "78"
                },
                "firefox_android": {
                  "version_added": false
                },
                "opera": {
                  "version_added": "33"
                },
                "safari": {
                  "version_added": "14"
                }
              }
            }
          },
          "remove": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/StorageArea/remove",
              "support": {
                "chrome": {
                  "version_added": true
                },
                "edge": {
                  "version_added": "14"
                },
                "firefox": {
                  "version_added": "45"
                },
                "firefox_android": {
                  "version_added": "48"
                },
                "opera": {
                  "version_added": "33"
                },
                "safari": {
                  "version_added": "14"
                }
              }
            }
          },
          "set": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/StorageArea/set",
              "support": {
                "chrome": {
                  "version_added": true
                },
                "edge": {
                  "notes": "storage is limited to 1MB per value.",
                  "version_added": "14"
                },
                "firefox": {
                  "version_added": "45"
                },
                "firefox_android": {
                  "version_added": "48"
                },
                "opera": {
                  "version_added": "33"
                },
                "safari": {
                  "version_added": "14"
                }
              }
            }
          }
        },
        "StorageChange": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/StorageChange",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14"
              }
            }
          }
        },
        "local": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/local",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "notes": "The storage API is supported in content scripts from version 48.",
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14"
              }
            }
          }
        },
        "managed": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/managed",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "notes": [
                  "Platform-specific storage backends, such as Windows registry keys, are not supported.",
                  "Enforcement of extension-provided storage schemas is not supported.",
                  "The <code>onChanged</code> event is not supported."
                ],
                "version_added": "57"
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              }
            }
          }
        },
        "onChanged": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/onChanged",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14"
              }
            }
          }
        },
        "sync": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/storage/sync",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "15"
              },
              "firefox": {
                "notes": "Before version 79, storage quota limits are not enforced.",
                "version_added": "53"
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "safari": {
                "notes": "Safari does not sync items saved in the <code>sync</code> storage area, i.e. it behaves the same as the <code>local</code> storage area.",
                "partial_implementation": true,
                "version_added": "14"
              }
            }
          }
        }
      }
    }
  }
}