code: public static Map<String, String> demapProperties(final Map<String, String> input, final Description desc) {
          final Map<String, String> mapping = desc.getPropertiesMapping();
          return demapProperties(input, mapping, true);
      }
docs: Reverses a set of properties mapped using the description's configuration to property mapping, or the same input
  if the description has no mapping
  @param input input map
  @param desc plugin description
  @return mapped values