package org.jboss.netty.util; //��������ӿڱ����������������ⲿ����Դ����Ҫ��ʾ���ͷŻ�ر� public interface ExternalResourceReleasable { /** * Releases the external resources that this object depends on. You should * not call this method if the external resources (e.g. thread pool) are * in use by other objects. */ void releaseExternalResources(); }