docs: def _init_metadata(self):
          """stub"""
          super(MultiLanguageDragAndDropQuestionFormRecord, self)._init_metadata()
          self._droppables_metadata = {
              'element_id': Id(self.my_osid_object_form._authority,
                               self.my_osid_object_form._namespace,
                               'droppables'),
              'element_label': 'droppables',
              'instructions': 'Enter as many droppables as you wish',
              'required': True,
              'read_only': False,
              'linked': False,
              'array': True,
              'default_object_values': [[]],
              'syntax': 'OBJECT',
              'object_set': []
          }
          self._targets_metadata = {
              'element_id': Id(self.my_osid_object_form._authority,
                               self.my_osid_object_form._namespace,
                               'targets'),
              'element_label': 'targets',
              'instructions': 'Enter as many targets as you wish',
              'required': True,
              'read_only': False,
              'linked': False,
              'array': True,
              'default_object_values': [[]],
              'syntax': 'OBJECT',
              'object_set': []
          }
          self._zones_metadata = {
              'element_id': Id(self.my_osid_object_form._authority,
                               self.my_osid_object_form._namespace,
                               'zones'),
              'element_label': 'zones',
              'instructions': 'Enter as many zones as you wish',
              'required': True,
              'read_only': False,
              'linked': False,
              'array': True,
              'default_object_values': [[]],
              'syntax': 'OBJECT',
              'object_set': []
          }
          self._shuffle_droppables_metadata = {
              'element_id': Id(self.my_osid_object_form._authority,
                               self.my_osid_object_form._namespace,
                               'shuffleDroppables'),
              'element_label': 'Shuffle Droppables',
              'instructions': 'Shuffle droppables',
              'required': True,
              'read_only': False,
              'linked': True,
              'array': False,
              'default_boolean_values': [True],
              'syntax': 'BOOLEAN',
          }
          self._shuffle_targets_metadata = {
              'element_id': Id(self.my_osid_object_form._authority,
                               self.my_osid_object_form._namespace,
                               'shuffleTargets'),
              'element_label': 'Shuffle Targets',
              'instructions': 'Shuffle targets',
              'required': True,
              'read_only': False,
              'linked': True,
              'array': False,
              'default_boolean_values': [True],
              'syntax': 'BOOLEAN',
          }
          self._shuffle_zones_metadata = {
              'element_id': Id(self.my_osid_object_form._authority,
                               self.my_osid_object_form._namespace,
                               'shuffleZones'),
              'element_label': 'Shuffle Zones',
              'instructions': 'Shuffle zones',
              'required': True,
              'read_only': False,
              'linked': True,
              'array': False,
              'default_boolean_values': [True],
              'syntax': 'BOOLEAN',
          }