You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: onebox.go
    path of file: ./repos/cadence/host
    
    the code of the file until where you have to start completion: // Copyright (c) 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this softwar
    
func (c *cadenceImpl) FrontendHost() membership.HostInfo {
	var tchan uint16
	switch c.clusterNo {
	case 0:
		tchan = 7104
	case 1:
		tchan = 8104
	case 2:
		tchan = 9104
	case 3:
		tchan = 10104
	default:
		tchan = 7104
	}

	return newHost(tchan)

}