code: public void setLastNodeCollapsedImage(String lastNodeCollapsedImage)
      {
          String val = setNonEmptyValueAttribute(lastNodeCollapsedImage);
          if (val != null)
              _iState.setLastNodeCollapsedImage(setNonEmptyValueAttribute(val));
      }
docs: Sets the image name for a closed non-leaf node with no
  line below it.  (Defaults to "lastNodeCollapsed.gif").
  @param lastNodeCollapsedImage the image name (including extension)
  @jsptagref.attributedescription The image name for a closed non-leaf node with no
  line below it. (Defaults to "lastNodeCollapsed.gif".)
  @jsptagref.databindable false
  @jsptagref.attributesyntaxvalue <i>string_imageHandleRightLast</i>
  @netui:attribute required="false"  rtexprvalue="true"
  description="Sets the image name for a closed non-leaf node with no
  line below it."