serenity/Userland/Libraries/LibWeb/MediaCapabilitiesAPI/MediaCapabilities.idl

// https://w3c.github.io/media-capabilities/#mediacapabilities
[Exposed=(Window, Worker)]
interface MediaCapabilities {
    [FIXME, NewObject] Promise<MediaCapabilitiesDecodingInfo> decodingInfo(MediaDecodingConfiguration configuration);
    [FIXME, NewObject] Promise<MediaCapabilitiesEncodingInfo> encodingInfo(MediaEncodingConfiguration configuration);
};