{
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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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          },
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          }
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          "deprecated": false
        }
      },
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        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSessionActionDetails/action",
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            },
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                }
              ]
            },
            "firefox_android": {
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            },
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              "version_added": null
            },
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            },
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              "version_added": false
            },
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            },
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            },
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          },
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            "standard_track": true,
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          }
        }
      },
      "fastSeek": {
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          "support": {
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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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            }
          },
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            "standard_track": true,
            "deprecated": false
          }
        }
      },
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            },
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            },
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                {
                  "type": "preference",
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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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              "version_added": false
            },
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            },
            "safari": {
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            },
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            },
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            }
          },
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            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}
