func (mb *tcpTransporter) Close() error {
	mb.mu.Lock()
	defer mb.mu.Unlock()

	return mb.close()
}
// Close closes current connection.
Close closes current connection.
// Close closes current connection .
func (mb *tcpTransporter) Close() error {
	mb.mu.Lock()
	defer mb.mu.Unlock()
	return mb.close()
}
func ( mb * tcpTransporter ) Close ( ) error { mb . mu . Lock ( ) defer mb . mu . Unlock ( ) return mb . close ( ) }
Close closes current connection.
Close closes current connection .