class DataAmf0(name: String = "", timeStamp: Int = 0, streamId: Int = 0, basicHeader: BasicHeader = BasicHeader(ChunkType.TYPE_0, ChunkStreamId.OVER_CONNECTION.mark)) : Data
class DataAmf3(name: String = "", timeStamp: Int = 0, streamId: Int = 0, basicHeader: BasicHeader = BasicHeader(ChunkType.TYPE_0, ChunkStreamId.OVER_CONNECTION.mark)) : Data