/**
                             * A base class for DiagramNodeState.
                             *
                             * @class A.DiagramNodeState
                             * @extends A.DiagramNode
                             * @param {Object} config Object literal specifying widget configuration
                             *     properties.
                             * @constructor
                             */
                            var DiagramNodeState = A.Component.create({
                            
                                /**
                                 * Static property provides a string to identify the class.
                                 *
                                 * @property NAME
                                 * @type String
                                 * @static
                                 */
                                NAME: 'diagram-node',
                            
                                /**
                                 * Static property used to define the default attribute
                                 * configuration for the `A.DiagramNodeState`.
                                 *
                                 * @property ATTRS
                                 * @type Object
                                 * @static
                                 */
                                ATTRS: {
                            
                                    /**
                                     * The height of the node.
                                     *
                                     * @attribute height
                                     * @default 40
                                     * @type Number
                                     */
                                    height: {
                                        value: 40
                                    },
                            
                                    /**
                                     * The type of the node.
                                     *
                                     * @attribute type
                                     * @default 'state'
                                     * @type String
                                     */
                                    type: {
                                        value: 'state'
                                    },
                            
                                    /**
                                     * The width of the node.
                                     *
                                     * @attribute width
                                     * @default 40
                                     * @type Number
                                     */
                                    width: {
                                        value: 40
                                    }
                                },
                            
                                /**
                                 * Static property used to define which component it extends.
                                 *
                                 * @property EXTENDS
                                 * @type String
                                 * @static
                                 */
                                EXTENDS: A.DiagramNode,
                            
                                prototype: {
                                    hotPoints: A.DiagramNode.CIRCLE_POINTS,
                            
                                    /**
                                     * Renders the shape boundary.
                                     *
                                     * @method renderShapeBoundary
                                     */
                                    renderShapeBoundary: function() {
                                        var instance = this;
                            
                                        var boundary = instance.boundary = instance.get('graphic').addShape(
                                            instance.get('shapeBoundary')
                                        );
                            
                                        boundary.translate(5, 5);
                            
                                        return boundary;
                                    },
                            
                                    /**
                                     * Gets the shape boundary definitions.
                                     *
                                     * @method _valueShapeBoundary
                                     * @protected
                                     */
                                    _valueShapeBoundary: function() {
                                        return {
                                            radius: 15,
                                            type: 'circle',
                                            stroke: {
                                                weight: 7,
                                                color: 'transparent',
                                                opacity: 0
                                            }
                                        };
                                    }
                                }
                            });
                            
                            A.DiagramNodeState = DiagramNodeState;