(content-Length: StringAdd).self
(content-Length: StringFormat).self
(content-Length: ArrowAssoc[Content-Length]).x
(Since version 2.10.0) Use leftOfArrow
instead
(content-Length: Ensuring[Content-Length]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Instances of this class will only be created transiently during header parsing and will never appear in HttpMessage.header. To access the Content-Length, see subclasses of HttpEntity.