code: @Trivial
      public void addAll(PriorityConverterMap convertersToAdd) {
          for (PriorityConverter converter : convertersToAdd.converters.values()) {
              _addConverter(converter);
          }
      }
docs: Add all of the converters from the given map to this one... if they have a higher priority as above
  
  @param convertersToAdd the converters to add