code: def GetConvertersByClass(value_cls):
      
      try:
        return ExportConverter.converters_cache[value_cls]
      except KeyError:
        results = [
            cls for cls in itervalues(ExportConverter.classes)
            if cls.input_rdf_type == value_cls
        ]
        if not results:
          results = [DataAgnosticExportConverter]
  
        ExportConverter.converters_cache[value_cls] = results
        return results
docs: Returns all converters that take given value as an input value.