{
  "api": {
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      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileSystemSync",
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            "prefix": "webkit"
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            "prefix": "webkit"
          },
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            "prefix": "webkit"
          },
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          },
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          },
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          },
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          },
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            "prefix": "webkit"
          },
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            "prefix": "webkit"
          },
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          },
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          },
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            "prefix": "webkit"
          }
        },
        "status": {
          "experimental": false,
          "standard_track": false,
          "deprecated": false
        }
      },
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              "version_added": "13"
            },
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              "version_added": "18"
            },
            "edge": {
              "version_added": "≤79"
            },
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              "version_added": false
            },
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              "version_added": false
            },
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              "version_added": false
            },
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              "version_added": "15"
            },
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              "version_added": "14"
            },
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            },
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            },
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            }
          },
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          }
        }
      },
      "root": {
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            },
            "chrome_android": {
              "version_added": "18"
            },
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              "version_added": "≤79"
            },
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            },
            "firefox_android": {
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            },
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            },
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            },
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            },
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            },
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            },
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            },
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            }
          },
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          }
        }
      }
    }
  }
}