A local reset via SendStream::reset(code). Distinct from a peer
StreamTerminated: h3 should not poll a reset send stream, and if it does we
surface this rather than pretending the peer terminated the stream.
A non-application transport shutdown. Both the QUIC status and the wire
transport error code are retained for diagnostics; the transport code is a
QUIC transport code, not an HTTP/3 application code.
A send_data payload above MAX_ADAPTER_SEND. One-shot; never stored in
the shared send-terminal slot. Constructed at the send_data rejection site
and boxed into StreamErrorIncoming::Unknown.
msquic Registration wrapper that tracks live connections and listeners so
teardown can wait for the rundown to drain before the blocking
RegistrationClose.