}
			// Send new ping.
			gridLogIf(m.ctx, m.send(message{Op: OpPing, MuxID: m.MuxID}))
		}
	}
}

// responseCh is the channel to that goes to the requester.
// internalResp is the channel that comes from the server.
func (m *muxClient) handleTwowayResponses(responseCh chan<- Response, internalResp <-chan Response) {
	defer m.parent.deleteMux(false, m.MuxID)
	defer xioutil.SafeClose(responseCh)