    /**
     * This class implements the component event domain. All classes extending from
     * {@link Ext.Component} are included in this domain. The matching criteria uses
     * {@link Ext.ComponentQuery}.
     *
     * @private
     */
    Ext.define('Ext.app.domain.Component', {
        extend: 'Ext.app.EventDomain',
        singleton: true,

        requires: [
            'Ext.Component'
        ],

        type: 'component',

        constructor: function() {
            var me = this;

            me.callParent();
            me.monitor(Ext.Component);
        },

        match: function(target, selector) {
            return target.is(selector);
        }
    });