code: public Classification nameOf(String classificationName, String name) {
          return findClassificationMeta((String) classificationName, () -> {
              return "nameOf('" + classificationName + "', '" + name + "')";
          }).nameOf(name);
      }
docs: Get classification by name.
  @param classificationName The name of classification. (NotNull)
  @param name The name of classification to find. (NotNull)
  @return The found instance of classification for the code. (NotNull: if not found, throws exception)