{
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            "standard_track": true,
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            },
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          "spec_url": "https://drafts.css-houdini.org/css-typed-om/#dom-stylepropertymapreadonly-get",
          "support": {
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            },
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          },
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            "standard_track": true,
            "deprecated": false
          }
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      },
      "getAll": {
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/StylePropertyMapReadOnly/getAll",
          "spec_url": "https://drafts.css-houdini.org/css-typed-om/#dom-stylepropertymapreadonly-getall",
          "support": {
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            },
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          },
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            "standard_track": true,
            "deprecated": false
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      },
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          "spec_url": "https://drafts.css-houdini.org/css-typed-om/#dom-stylepropertymapreadonly-has",
          "support": {
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              "version_added": "66"
            },
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            "firefox": {
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            "webview_android": "mirror"
          },
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            "standard_track": true,
            "deprecated": false
          }
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/StylePropertyMapReadOnly/keys",
          "support": {
            "chrome": {
              "version_added": "66"
            },
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            "edge": "mirror",
            "firefox": {
              "version_added": false
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            "ie": {
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            },
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            "webview_android": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "size": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/StylePropertyMapReadOnly/size",
          "spec_url": "https://drafts.css-houdini.org/css-typed-om/#dom-stylepropertymapreadonly-size",
          "support": {
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              "version_added": "66"
            },
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            "firefox": {
              "version_added": false
            },
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              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
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            },
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            "samsunginternet_android": "mirror",
            "webview_android": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "values": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/StylePropertyMapReadOnly/values",
          "support": {
            "chrome": {
              "version_added": "66"
            },
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            "firefox": {
              "version_added": false
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            "webview_android": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
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        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/StylePropertyMapReadOnly/@@iterator",
          "support": {
            "chrome": {
              "version_added": "66"
            },
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            "firefox": {
              "version_added": false
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            "experimental": false,
            "standard_track": true,
            "deprecated": false
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        }
      }
    }
  }
}