code: public static <T extends Comparable<T>> SortedMultisetJsonDeserializer<T> newInstance( JsonDeserializer<T> deserializer ) {
          return new SortedMultisetJsonDeserializer<T>( deserializer );
      }
docs: @param deserializer {@link JsonDeserializer} used to deserialize the objects inside the {@link SortedMultiset}.
  @param <T> Type of the elements inside the {@link SortedMultiset}
  
  @return a new instance of {@link SortedMultisetJsonDeserializer}