/// <summary>
/// Removes a stream from the file.
/// </summary>
/// <param name="streamId"></param>
public override void RemoveStreamFromFile(string streamId)
{
var streamState = DocumentStreams.FirstOrDefault(s => s.Stream.id == streamId);
if (streamState != null)
{
DocumentStreams.Remove(streamState);
WriteStateToFile();
}
}