public static Protocol unRegisterProtocol(byte protocolCode) {
        return ProtocolManager.protocols.remove(ProtocolCode.fromBytes(protocolCode));
    }
Manager of all protocols

@author tsui
@version $Id: ProtocolManager.java, v 0.1 2018-03-27 15:18 tsui Exp $
src/main/java/com/alipay/remoting/ProtocolManager.java