RetryErrorAfter wraps err to indicate that client should retry after delay.

ErrorFlowConnectRateLimitedMetadata is the Metadata entry that allows to know if a request was rate limited on connect.

ConnectRequest is the representation of metadata sent at the start of a QUIC application handshake.

ConnectResponse is a representation of metadata sent as a response to a QUIC application handshake.

Metadata is a representation of key value based data sent via RequestMeta.

RPCError is used to indicate errors returned by the RPC subsystem rather than failure of a remote operation.

Tag previously was a legacy tunnel capnp struct but was deprecated.

ConnectionType indicates the type of underlying connection proxied within the QUIC stream.