code: public Boolean isOutputFormat(ProvFormat format) {
          ProvFormatType t = provTypeMap.get(format);
          return (t.equals(ProvFormatType.OUTPUT) ||
                  t.equals(ProvFormatType.INPUTOUTPUT));
      }
docs: Determines whether this format received as argument is an output format.
  @param format a {@link ProvFormat}
  @return true if format is an output format