code: protected static OptionalThing<ClassificationMeta> nativeFindMeta(Class<?> defmetaType, String classificationName) { // old method
          assertArgumentNotNull("defmetaType", defmetaType);
          assertArgumentNotNull("classificationName", classificationName);
          final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(defmetaType);
          final String methodName = "find";
          final Method method;
          try {
              method = beanDesc.getMethod(methodName, new Class<?>[] { String.class });
          } catch (BeanMethodNotFoundException e) {
              String msg = "Failed to get the method " + methodName + "() of the def-meta type: " + defmetaType;
              throw new ClassificationMetaFindMethodNotFoundException(msg, e);
          }
          @SuppressWarnings("unchecked")
          OptionalThing<ClassificationMeta> opt =
                  (OptionalThing<ClassificationMeta>) DfReflectionUtil.invokeStatic(method, new Object[] { classificationName });
          return opt;
      }
docs: ---------------