code: public static boolean isWrapperArray(Class<?> type) {
          logger.entering(type);
          checkArgument(type != null, "Type cannot be null.");
          logger.exiting(WRAPPER_ARRAY_TYPES.contains(type));
          return WRAPPER_ARRAY_TYPES.contains(type);
      }
docs: This method confirms if a type is of primitive array type ( Integer[], Float[], Boolean[] and so on).
  
  @param type
  The type which is to be checked.
  @return <code>true</code> if type is a wrapper array type.