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"properties": ["Navigator.mediaDevices"], "events": ["HTMLMediaElement: ended", "HTMLMediaElement: ratechange"] }, "Media Session API": { "overview": ["Media Session API"], "interfaces": ["MediaMetadata", "MediaSession"], "methods": [], "properties": [], "events": [] }, "Media Source Extensions": { "overview": ["Media Source Extensions API"], "interfaces": [ "MediaSource", "SourceBuffer", "SourceBufferList", "VideoPlaybackQuality", "TrackDefault", "TrackDefaultList" ], "methods": [ "HTMLVideoElement.getVideoPlaybackQuality()", "URL.createObjectURL()" ], "properties": ["VideoTrack.sourceBuffer", "TextTrack.sourceBuffer"], "events": [] }, "MediaStream Recording": { "overview": ["MediaStream Recording API"], "guides": [ "/docs/Web/API/MediaStream_Recording_API/Using_the_MediaStream_Recording_API", "/docs/Web/API/MediaStream_Recording_API/Recording_a_media_element" ], "interfaces": ["MediaRecorder", "MediaRecorderErrorEvent", "BlobEvent"], "methods": [], "properties": [], "events": [] }, 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"interfaces": [], "methods": ["Element.requestPointerLock()", "Document.exitPointerLock()"], "properties": [ "Document.pointerLockElement", "Document.onpointerlockchange", "Document.onpointerlockerror" ], "events": ["Document: pointerlockchange", "Document: pointerlockerror"] }, "Presentation API": { "interfaces": [ "Presentation", "PresentationAvailability", "PresentationDeviceInfoManager", "PresentationRequest", "PresentationSession", "PresentationSessionConnectEvent" ], "methods": [], "properties": [ "Navigator.presentation", "Navigator.mozPresentationDeviceInfo" ], "events": [] }, "Proximity Events": { "overview": ["Proximity Events"], "interfaces": ["DeviceProximityEvent", "UserProximityEvent"], "methods": [], "properties": [], "events": [] }, "Push API": { "overview": ["Push API"], "guides": ["/docs/Web/API/Push_API/Best_Practices"], "interfaces": [ "PushManager", "PushSubscription", "PushEvent", "PushMessageData" ], "methods": [], "properties": [ 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