/** * @class Ext.util.TaskManager * @extend Ext.util.TaskRunner * @alternateClassName Ext.TaskManager * @singleton * A static {@link Ext.util.TaskRunner} instance that can be used to start and stop * arbitrary tasks. See {@link Ext.util.TaskRunner} for supported methods and task * config properties. * * * See the {@link #start} method for details about how to configure a task object. */