当不满足解析条件时，请返回Cache，此时会保存CanReadLength的数据
protected override FilterResult Filter<TReader>(
ref TReader reader,
bool beCached,
ref TFixedHeaderRequestInfo request
)
where TReader : IBytesReader
Protected Overrides Function Filter(Of TReader As IBytesReader) (
ByRef reader As TReader,
beCached As Boolean,
ByRef request As TFixedHeaderRequestInfo
) As FilterResultabstract Filter :
reader : 'TReader byref *
beCached : bool *
request : 'TFixedHeaderRequestInfo byref -> FilterResult when 'TReader : IBytesReader
override Filter :
reader : 'TReader byref *
beCached : bool *
request : 'TFixedHeaderRequestInfo byref -> FilterResult when 'TReader : IBytesReader[缺少 "M:TouchSocket.Core.CustomBigFixedHeaderDataHandlingAdapter`1.Filter``1(``0@,System.Boolean,`0@)" 的 <typeparam name="TReader"/> 文档]
[缺少 "M:TouchSocket.Core.CustomBigFixedHeaderDataHandlingAdapter`1.Filter``1(``0@,System.Boolean,`0@)" 的 <returns> 文档]