code: public static PageRequest of(final int page, final int size, final Sort sort) {
      return new PageRequest(page, size, sort);
    }
docs: Creates a new {@link PageRequest} with sort parameters applied.
  
  @param page zero-based page index.
  @param size the size of the page to be returned.
  @param sort must not be {@literal null}.
  @since 2.0