WithMaxBufferedPagesPerConnection 单个连接缓冲的page最大值 如果达到上限，则将刷新最小序列号以及任何连续数据。 如果<= 0，这将被忽略。.

WithMaxBufferedPagesTotal 等待无序包时要缓冲的page总数最大值 一旦达到这个上限值， Assembler将会降级刷新每个连接的 如果<=0将被忽略。.

Value are not really useful.

Value are not really useful.

TCPAssemblyStats provides some figures for a ScatterGather.

AssemblerContext provides method to get metadata.

ScatterGather is used to pass reassembled data and metadata of reassembled packets to a Stream via ReassembledSG.

Stream is implemented by the caller to handle incoming reassembled TCP data.

StreamFactory is used by assembly to create a new stream for each new TCP session.

Sequence is a TCP sequence number.

TCPFlowDirection distinguish the two half-connections directions.