/**
* {@inheritDoc}
*
* <p>This implementation scans the enclosed elements, unless the element is a {@code
* RESOURCE_VARIABLE} in which case {@code visitUnknown} is called.
*
* @param e {@inheritDoc}
* @param p {@inheritDoc}
* @return the result of scanning
*/
public R visitVariable(VariableElement e, P p) {
if (e.getKind() != ElementKind.RESOURCE_VARIABLE) return scan(e.getEnclosedElements(), p);
else return visitUnknown(e, p);
}
