/**
                             * A base class for DiagramNodeManagerBase.
                             *
                             * @class A.DiagramNodeManagerBase
                             * @extends Base
                             * @param {Object} config Object literal specifying widget configuration
                             *     properties.
                             * @constructor
                             */
                            var DiagramNodeManagerBase = A.Component.create({
                            
                                /**
                                 * Static property provides a string to identify the class.
                                 *
                                 * @property NAME
                                 * @type String
                                 * @static
                                 */
                                NAME: 'diagram-node-manager',
                            
                                /**
                                 * Static property used to define which component it extends.
                                 *
                                 * @property EXTENDS
                                 * @type String
                                 * @static
                                 */
                                EXTENDS: A.Base
                            });
                            
                            A.DiagramNodeManager = new DiagramNodeManagerBase();