code: @Override
      public String getAttributeName() {
          if (delegate instanceof AttributeDefinitionSpecification) {
              return ((AttributeDefinitionSpecification) delegate).getAttributeName();
          }
          return delegate.getName();
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.ws.config.internal.services.ExtendedAttributeDefinition#getAttributeName()