/**
   * Returns a builder that creates immutable sorted multisets whose elements are ordered by the
   * reverse of their natural ordering.
   *
   * <p>Note: the type parameter {@code E} extends {@code Comparable<?>} rather than {@code
   * Comparable<? super E>} as a workaround for javac <a
   * href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6468354">bug 6468354</a>.
   */

   * generates a synthetic method for the body of the lambda, the actual method calls that Animal
   * Sniffer is flagging don't appear inside toImmutableSortedMultiset but rather inside that
   * synthetic method. By moving those calls to a named method, we're able to apply
   * @IgnoreJRERequirement somewhere that it will help.
   */
  private static <T extends @Nullable Object, E> void mapAndAdd(