package org.xmind.core; import java.util.List; /** * @author Jason Wong */ public interface IWorkbookExtensionManager extends IWorkbookComponent { List<IWorkbookExtension> getExtensions(); IWorkbookExtension getExtension(String providerName); IWorkbookExtension createExtension(String providerName); void deleteExtension(String providerName); List<String> getProviders(); }