public ResourceReference[] getReferencedResources(
     final Expression expression,
     final Object attributeValue,
     final Element reportElement,
     final ResourceManager resourceManager) {
   return reportPreProcessorCore.getReferencedResources(
       this, expression, attributeValue, reportElement, resourceManager);
 }
 public String[] getExtraCalculationFields() {
   return reportPreProcessorCore.getExtraCalculationFields(this);
 }
 public String[] getReferencedElements(final Expression expression, final Object attributeValue) {
   return reportPreProcessorCore.getReferencedElements(this, expression, attributeValue);
 }