docs: protected Object transformEntity(Entity entity) {
  		PropertyColumn propertyColumn = (PropertyColumn) entity;
  		JRDesignField field = new JRDesignField();
  		ColumnProperty columnProperty = propertyColumn.getColumnProperty();
  		field.setName(columnProperty.getProperty());
  		field.setValueClassName(columnProperty.getValueClassName());
  		
  		log.debug("Transforming column: " + propertyColumn.getName() + ", property: " + columnProperty.getProperty() + " (" + columnProperty.getValueClassName() +") " );
  
  		field.setDescription(propertyColumn.getFieldDescription()); //hack for XML data source
  		for (String key : columnProperty.getFieldProperties().keySet()) {
  			field.getPropertiesMap().setProperty(key, columnProperty.getFieldProperties().get(key));
  		}
  		return field;
  	}