{
  "webextensions": {
    "api": {
      "topSites": {
        "MostVisitedURL": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/topSites/MostVisitedURL",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "52"
              },
              "firefox_android": {
                "version_added": "52"
              },
              "opera": {
                "version_added": true
              }
            }
          },
          "favicon": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": "63"
                },
                "firefox_android": {
                  "version_added": "63"
                },
                "opera": {
                  "version_added": false
                }
              }
            }
          }
        },
        "get": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/topSites/get",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "52"
              },
              "firefox_android": {
                "version_added": "52"
              },
              "opera": {
                "version_added": true
              }
            }
          },
          "options": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": "63"
                },
                "firefox_android": {
                  "version_added": "63"
                },
                "opera": {
                  "version_added": false
                }
              }
            }
          }
        }
      }
    }
  }
}