func isEphemeralHostPort(hostPort string) bool {
	return hostPort == "" || hostPort == ephemeralHostPort || strings.HasSuffix(hostPort, ":0")
}
func isEphemeralHostPort(hostPort string) bool {
	return hostPort == "" || hostPort == ephemeralHostPort || strings.HasSuffix(hostPort, ":0")
}
func isEphemeralHostPort ( hostPort string ) bool { return hostPort == " " || hostPort == ephemeralHostPort || strings . HasSuffix ( hostPort , " " ) }
// isEphemeralHostPort returns if hostPort is the default ephemeral hostPort.
isEphemeralHostPort returns if hostPort is the default ephemeral hostPort .