}

	switch msg := msg.(type) {
	case *newSessionTicketMsgTLS13:
		return c.handleNewSessionTicket(msg)
	case *keyUpdateMsg:
		return c.handleKeyUpdate(msg)
	}
	// The QUIC layer is supposed to treat an unexpected post-handshake CertificateRequest
	// as a QUIC-level PROTOCOL_VIOLATION error (RFC 9001, Section 4.4). Returning an