* @param context An object that knows how to resolve FO Tree context
* issues.
* @return True iff the z-index property value is auto.
*/
public boolean traitZIndexIsAuto(final FObj fobj, final FoContext context) {
final PdZIndex property = (PdZIndex) getProperty(FoProperty.Z_INDEX);
if (property != null) {
return property.getValueIsAuto(context, fobj);
}
return PdZIndex.getValueIsAutoNoInstance();
}