protected <T extends SidoProperty> JClass getFieldCollectionClass(
     GenerationContext generationContext, T property) {
   PropertyBinder<T> binder = loadPropertyBinder(property);
   return binder.getFieldCollectionClass(generationContext, property);
 }
 protected <T extends SidoProperty> String getFieldSingleDefault(
     GenerationContext generationContext, T property, JClass propertyClass) {
   PropertyBinder<T> binder = loadPropertyBinder(property);
   return binder.getFieldSingleDefault(generationContext, property, propertyClass);
 }