docs: def _from_dict(cls, _dict):
          """Initialize a LeadingSentence object from a json dictionary."""
          args = {}
          if 'text' in _dict:
              args['text'] = _dict.get('text')
          if 'location' in _dict:
              args['location'] = Location._from_dict(_dict.get('location'))
          if 'element_locations' in _dict:
              args['element_locations'] = [
                  ElementLocations._from_dict(x)
                  for x in (_dict.get('element_locations'))
              ]
          return cls(**args)