| 123456789101112131415161718192021222324252627 | using System.Threading;using MediaBrowser.Controller.Session;using MediaBrowser.Model.SyncPlay;namespace MediaBrowser.Controller.SyncPlay{    /// <summary>    /// Interface IGroupPlaybackRequest.    /// </summary>    public interface IGroupPlaybackRequest : ISyncPlayRequest    {        /// <summary>        /// Gets the playback request type.        /// </summary>        /// <returns>The playback request type.</returns>        PlaybackRequestType Action { get; }        /// <summary>        /// Applies the request to a group.        /// </summary>        /// <param name="context">The context of the state.</param>        /// <param name="state">The current state.</param>        /// <param name="session">The session.</param>        /// <param name="cancellationToken">The cancellation token.</param>        void Apply(IGroupStateContext context, IGroupState state, SessionInfo session, CancellationToken cancellationToken);    }}
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