{
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      "DataView": {
        "__compat": {
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          "spec_url": "https://tc39.es/ecma262/#sec-dataview-objects",
          "support": {
            "chrome": {
              "version_added": "9"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
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            },
            "firefox": {
              "version_added": "15"
            },
            "firefox_android": {
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            "ie": {
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            },
            "webview_android": {
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            }
          },
          "status": {
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            "standard_track": true,
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          }
        },
        "DataView": {
          "__compat": {
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            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/DataView/DataView",
            "spec_url": "https://tc39.es/ecma262/#sec-dataview-constructor",
            "support": {
              "chrome": {
                "version_added": "9"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "15"
              },
              "firefox_android": {
                "version_added": "15"
              },
              "ie": {
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              },
              "nodejs": {
                "version_added": "0.10"
              },
              "opera": {
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              },
              "opera_android": {
                "version_added": "12.1"
              },
              "safari": {
                "version_added": "5.1"
              },
              "safari_ios": {
                "version_added": "4.2"
              },
              "samsunginternet_android": {
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              },
              "webview_android": {
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              }
            },
            "status": {
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              "standard_track": true,
              "deprecated": false
            }
          },
          "new_required": {
            "__compat": {
              "description": "<code>DataView()</code> without <code>new</code> throws",
              "support": {
                "chrome": {
                  "version_added": "11"
                },
                "chrome_android": {
                  "version_added": "18"
                },
                "edge": {
                  "version_added": "13"
                },
                "firefox": {
                  "version_added": "40"
                },
                "firefox_android": {
                  "version_added": "40"
                },
                "ie": {
                  "version_added": false
                },
                "nodejs": {
                  "version_added": "0.10"
                },
                "opera": {
                  "version_added": "15"
                },
                "opera_android": {
                  "version_added": "14"
                },
                "safari": {
                  "version_added": "5.1"
                },
                "safari_ios": {
                  "version_added": "5.1"
                },
                "samsunginternet_android": {
                  "version_added": "1.0"
                },
                "webview_android": {
                  "version_added": "≤37"
                }
              },
              "status": {
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                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "sharedarraybuffer_support": {
            "__compat": {
              "description": "<code>SharedArrayBuffer</code> accepted as buffer",
              "support": {
                "chrome": [
                  {
                    "version_added": "68"
                  },
                  {
                    "version_added": "60",
                    "version_removed": "63",
                    "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This was a temporary removal while mitigations were put in place."
                  }
                ],
                "chrome_android": {
                  "version_added": "60",
                  "version_removed": "63",
                  "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
                },
                "edge": {
                  "version_added": "79"
                },
                "firefox": [
                  {
                    "version_added": "79"
                  },
                  {
                    "version_added": "57",
                    "flags": [
                      {
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                        "name": "javascript.options.shared_memory",
                        "value_to_set": "true"
                      }
                    ],
                    "notes": "Support was disabled by default to mitigate <a href='https://blog.mozilla.org/security/2018/01/03/mitigations-landing-new-class-timing-attack/'>speculative execution side-channel attacks (Mozilla Security Blog)</a>."
                  },
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                  },
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                      }
                    ]
                  }
                ],
                "firefox_android": [
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                    "flags": [
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                        "type": "preference",
                        "name": "javascript.options.shared_memory",
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                      }
                    ],
                    "notes": "Support was disabled by default to mitigate <a href='https://blog.mozilla.org/security/2018/01/03/mitigations-landing-new-class-timing-attack/'>speculative execution side-channel attacks (Mozilla Security Blog)</a>."
                  },
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                  },
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                    "version_removed": "55",
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                      }
                    ]
                  }
                ],
                "ie": {
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                },
                "nodejs": {
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                },
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                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "safari": {
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                  "version_removed": "11"
                },
                "safari_ios": {
                  "version_added": "10.3",
                  "version_removed": "11"
                },
                "samsunginternet_android": {
                  "version_added": false,
                  "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
                },
                "webview_android": {
                  "version_added": "60",
                  "version_removed": "63",
                  "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
                }
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                "deprecated": false
              }
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          }
        },
        "buffer": {
          "__compat": {
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            "spec_url": "https://tc39.es/ecma262/#sec-get-dataview.prototype.buffer",
            "support": {
              "chrome": {
                "version_added": "9"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "15"
              },
              "firefox_android": {
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              },
              "safari": {
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                "version_added": "4.2"
              },
              "samsunginternet_android": {
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              },
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              }
            },
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              "standard_track": true,
              "deprecated": false
            }
          },
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            "__compat": {
              "description": "<code>SharedArrayBuffer</code> accepted as buffer",
              "support": {
                "chrome": {
                  "version_added": "60"
                },
                "chrome_android": {
                  "version_added": "60"
                },
                "edge": {
                  "version_added": "79"
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                "firefox": {
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                "firefox_android": {
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                "ie": {
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                },
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                },
                "opera": {
                  "version_added": "47"
                },
                "opera_android": {
                  "version_added": "44"
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                "safari": {
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                },
                "safari_ios": {
                  "version_added": "10.3",
                  "version_removed": "11.3"
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                "samsunginternet_android": {
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                "webview_android": {
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              },
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                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          }
        },
        "byteLength": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/DataView/byteLength",
            "spec_url": "https://tc39.es/ecma262/#sec-get-dataview.prototype.bytelength",
            "support": {
              "chrome": {
                "version_added": "9"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "15"
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              "firefox_android": {
                "version_added": "15"
              },
              "ie": {
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              },
              "nodejs": {
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              },
              "opera": {
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              },
              "opera_android": {
                "version_added": "12.1"
              },
              "safari": {
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              },
              "safari_ios": {
                "version_added": "4.2"
              },
              "samsunginternet_android": {
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              },
              "webview_android": {
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              }
            },
            "status": {
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              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "byteOffset": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/DataView/byteOffset",
            "spec_url": "https://tc39.es/ecma262/#sec-get-dataview.prototype.byteoffset",
            "support": {
              "chrome": {
                "version_added": "9"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "15"
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              "firefox_android": {
                "version_added": "15"
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              "ie": {
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              "nodejs": {
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              "opera": {
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              },
              "opera_android": {
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              },
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              },
              "safari_ios": {
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              },
              "samsunginternet_android": {
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              },
              "webview_android": {
                "version_added": "4"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "getBigInt64": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/DataView/getBigInt64",
            "spec_url": "https://tc39.es/ecma262/#sec-dataview.prototype.getbigint64",
            "support": {
              "chrome": {
                "version_added": "67"
              },
              "chrome_android": {
                "version_added": "67"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "68"
              },
              "firefox_android": {
                "version_added": "68"
              },
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "10.4.0"
              },
              "opera": {
                "version_added": "54"
              },
              "opera_android": {
                "version_added": "48"
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "9.0"
              },
              "webview_android": {
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              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "getBigUint64": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/DataView/getBigUint64",
            "spec_url": "https://tc39.es/ecma262/#sec-dataview.prototype.getbiguint64",
            "support": {
              "chrome": {
                "version_added": "67"
              },
              "chrome_android": {
                "version_added": "67"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
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              "firefox_android": {
                "version_added": "68"
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              "ie": {
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              },
              "opera": {
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                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
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              },
              "webview_android": {
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              }
            },
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              "standard_track": true,
              "deprecated": false
            }
          }
        },
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            "spec_url": "https://tc39.es/ecma262/#sec-dataview.prototype.getfloat32",
            "support": {
              "chrome": {
                "version_added": "9"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
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              "firefox": {
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              "ie": {
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              "opera": {
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              },
              "opera_android": {
                "version_added": "12.1"
              },
              "safari": {
                "version_added": "5.1"
              },
              "safari_ios": {
                "version_added": "4.2"
              },
              "samsunginternet_android": {
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              },
              "webview_android": {
                "version_added": "4"
              }
            },
            "status": {
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              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "getFloat64": {
          "__compat": {
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            "spec_url": "https://tc39.es/ecma262/#sec-dataview.prototype.getfloat64",
            "support": {
              "chrome": {
                "version_added": "9"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "15"
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              "firefox_android": {
                "version_added": "15"
              },
              "ie": {
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              },
              "nodejs": {
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              "opera": {
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              },
              "opera_android": {
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              },
              "safari": {
                "version_added": "5.1"
              },
              "safari_ios": {
                "version_added": "4.2"
              },
              "samsunginternet_android": {
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              },
              "webview_android": {
                "version_added": "4"
              }
            },
            "status": {
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              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "getInt16": {
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            "spec_url": "https://tc39.es/ecma262/#sec-dataview.prototype.getint16",
            "support": {
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                "version_added": "9"
              },
              "chrome_android": {
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              },
              "edge": {
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              "webview_android": {
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            },
            "status": {
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              "standard_track": true,
              "deprecated": false
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          }
        },
        "getInt32": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt32",
            "spec_url": "https://tc39.es/ecma262/#sec-dataview.prototype.getint32",
            "support": {
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              "chrome_android": {
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              "edge": {
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              "firefox": {
                "version_added": "15"
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              "firefox_android": {
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              "nodejs": {
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              },
              "opera": {
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              "opera_android": {
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              },
              "safari": {
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              },
              "safari_ios": {
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              "samsunginternet_android": {
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              "webview_android": {
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              }
            },
            "status": {
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              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "getInt8": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt8",
            "spec_url": "https://tc39.es/ecma262/#sec-dataview.prototype.getint8",
            "support": {
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              "chrome_android": {
                "version_added": "18"
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              "edge": {
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              }
            },
            "status": {
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              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "getUint16": {
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            "spec_url": "https://tc39.es/ecma262/#sec-dataview.prototype.getuint16",
            "support": {
              "chrome": {
                "version_added": "9"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
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              "firefox": {
                "version_added": "15"
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                "version_added": "15"
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              "ie": {
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              "nodejs": {
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              },
              "opera": {
                "version_added": "12.1"
              },
              "opera_android": {
                "version_added": "12.1"
              },
              "safari": {
                "version_added": "5.1"
              },
              "safari_ios": {
                "version_added": "4.2"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "4"
              }
            },
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