code: public boolean isReferencing(T property1, T property2)
      {
          return getEvaluator().isReferencing(getRawProperty(property1),
                                              getTranslator().getPropertyName(property2),
                                              getRetriever());
      }
docs: Determine whether or not one property holds references to another property.
  
  @param property1
  the property to check for references
  @param property2
  the target referenced property
  @return <code>true</code> if the first property references the second;
  <code>false</code> otherwise