code: public static boolean isDefined(@NonNull Class<? extends EnumValue> enumClass, @NonNull String name) {
        return GLOBAL_REPOSITORY.containsKey(toKey(enumClass, name));
     }
docs: <p>Determines if the specified name is a defined value of the specified {@link EnumValue} class}.</p>
  
  @param enumClass Class information for the EnumValue that we will check.
  @param name      the name of the specified value
  @return True if the specified value has been defined for the given EnumValue class
  @throws NullPointerException if either the enumClass or name are null