When detaching a socket from either the HttpServer
or the HttpClient
due to a HTTP connection upgrade there might be unparsed data already read from the socket. This unparsed data together with the detached socket is returned in an instance of this class.
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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-io/DetachedSocket-class.html