nager-js.html#mxUndoManager.history" id=link1552 onMouseOver="ShowTip(event, 'tt1552', 'link1552')" onMouseOut="HideTip('tt1552')" class=ISymbol>history</a>, <span class=IParent>mxUndoManager</span></td></tr><tr><td class=ISymbolPrefix>&nbsp;</td><td class=IEntry><a href="../files/view/mxGraph-js.html#mxGraph.hitsSwimlaneContent" id=link1553 onMouseOver="ShowTip(event, 'tt1553', 'link1553')" onMouseOut="HideTip('tt1553')" class=ISymbol>hitsSwimlaneContent</a>, <span class=IParent>mxGraph</span></td></tr><tr