// Compare to Http1Connection.OnStartLine
protected override bool TryParseRequest(ReadResult result, out bool endConnection)
{
// We don't need any of the parameters because we don't implement BeginRead to actually
// do the reading from a pipeline, nor do we use endConnection to report connection-level errors.
endConnection = !TryValidatePseudoHeaders();
// Suppress pseudo headers from the public headers collection.
HttpRequestHeaders.ClearPseudoRequestHeaders();
// Cookies should be merged into a single string separated by "; "
// https://datatracker.ietf.org/doc/html/rfc7540#section-8.1.2.5
HttpRequestHeaders.MergeCookies();
return(true);
}