useOut="HideTip('tt20')">mxConstants.ARROW_WIDTH</a>.&nbsp; This is stored in &lt;arrowWidth&gt;.</td></tr><tr><td class=CDLEntry>spacing</td><td class=CDLDescription>Optional integer that defines the spacing between the arrow shape and its endpoints.&nbsp; Default is <a href="../util/mxConstants-js.html#mxConstants.ARROW_SPACING" class=LVariable id=link22 onMouseOver="ShowTip(event, 'tt21', 'link22')" onMouseOut="HideTip('tt21')">mxConstants.ARROW_SPACING</a>.&nbsp; This is stored in &lt;spacing&gt;.</td><