function mxVsdxPage(pageElem, model) {
                        /**
                         * Unique ID of the element within its parent element
                         */
                        this.Id = null;
                        /**
                         * Name of the page taken from the "name" attribute of the page element
                         */
                        this.pageName = null;
                        this.__isBackground = false;
                        this.backPageId = null;
                        this.backPage = null;
                        this.pageElement = null;
                        this.pageSheet = null;
                        this.model = null;
                        this.shapes = ({});
                        this.connects = ({});
                        this.cellElements = ({});
                        this.model = model;
                        this.pageElement = pageElem;
                        this.layers = [];
                        var backGround = pageElem.getAttribute(com.mxgraph.io.vsdx.mxVsdxConstants.BACKGROUND);
                        this.__isBackground = (backGround != null && (function (o1, o2) { if (o1 && o1.equals) {
                            return o1.equals(o2);
                        }
                        else {
                            return o1 === o2;
                        } })(backGround, com.mxgraph.io.vsdx.mxVsdxConstants.TRUE)) ? true : false;
                        var back = pageElem.getAttribute(com.mxgraph.io.vsdx.mxVsdxConstants.BACK_PAGE);
                        if (back != null && back.length > 0) {
                            this.backPageId = parseFloat(back);
                        }
                        this.Id = parseFloat(pageElem.getAttribute(com.mxgraph.io.vsdx.mxVsdxConstants.ID));
                        this.pageName = pageElem.getAttribute(com.mxgraph.io.vsdx.mxVsdxConstants.NAME) || "";
                        var pageSheets = com.mxgraph.io.vsdx.mxVsdxUtils.getDirectChildNamedElements(pageElem, "PageSheet");
                        if (pageSheets.length > 0) {
                            var pageSheet = pageSheets[0];
                            var cells = com.mxgraph.io.vsdx.mxVsdxUtils.getDirectChildNamedElements(pageSheet, "Cell");
                            for (var index133 = 0; index133 < cells.length; index133++) {
                                var cellElem = cells[index133];
                                {
                                    var n = cellElem.getAttribute("N");
                                    /* put */ (this.cellElements[n] = cellElem);
                                }
                            }
                            
                            var sections = com.mxgraph.io.vsdx.mxVsdxUtils.getDirectChildNamedElements(pageSheet, "Section");
                            for (var i134 = 0; i134 < sections.length; i134++) 
                            {
                            	var secElem = sections[i134];
                            	var n = secElem.getAttribute("N");
                            	
                            	if (n == "Layer")
                        		{
                            		 var layers = com.mxgraph.io.vsdx.mxVsdxUtils.getDirectChildNamedElements(secElem, "Row");
                            		 
                            		 for (var i135 = 0; i135 < layers.length; i135++)
                        			 {
                            			 var layerAtts = com.mxgraph.io.vsdx.mxVsdxUtils.getDirectChildNamedElements(layers[i135], "Cell");
                            			 var layerObj = {};
                            			 
                            			 for (var i136 = 0; i136 < layerAtts.length; i136++)
                            			 {
                            				 layerObj[layerAtts[i136].getAttribute("N")] = layerAtts[i136].getAttribute("V");
                            			 }
                            			 this.layers[parseInt(layers[i135].getAttribute("IX"))] = layerObj;
                        			 }
                        		}
                            }
                        }
                        this.parseNodes(pageElem, model, "pages");
                    }
Returns the wrapper of the stylesheet element with id indicated by 'id'
@param {string} id StyleSheet's ID.
@return {com.mxgraph.io.vsdx.Style} StyleSheet element with id = 'id' wrapped in an instance of mxStyleSheet.