//
	// UnwrapSession will usually either decrypt a session state in the ticket
	// (for example with [Config.EncryptTicket]), or use the ticket as a handle
	// to recover a previously stored state. It must use [ParseSessionState] to
	// deserialize the session state.
	//
	// If UnwrapSession returns an error, the connection is terminated. If it
	// returns (nil, nil), the session is ignored. crypto/tls may still choose

	ticket, state []byte
}

func (c *serializingClientCache) Get(sessionKey string) (session *ClientSessionState, ok bool) {
	if c.ticket == nil {
		return nil, false
	}
	state, err := ParseSessionState(c.state)
	if err != nil {
		c.t.Error(err)
		return nil, false
	}
	cs, err := NewResumptionState(c.ticket, state)
	if err != nil {
		c.t.Error(err)
		return nil, false
	}