    //
    // Definitions of enums referenced in documentation.
    //

    /**
     * @enum [Ext.enums.Layout=layout.*]
     * Enumeration of all layout types.
     */

    /**
     * @enum [Ext.enums.Widget=widget.*]
     * Enumeration of all xtypes.
     */

    /**
     * @enum [Ext.enums.Plugin=plugin.*]
     * Enumeration of all ptypes.
     */

    /**
     * @enum [Ext.enums.Feature=feature.*]
     * Enumeration of all ftypes.
     */