docs: def _from_dict(cls, _dict):
          """Initialize a BodyCells object from a json dictionary."""
          args = {}
          if 'cell_id' in _dict:
              args['cell_id'] = _dict.get('cell_id')
          if 'location' in _dict:
              args['location'] = Location._from_dict(_dict.get('location'))
          if 'text' in _dict:
              args['text'] = _dict.get('text')
          if 'row_index_begin' in _dict:
              args['row_index_begin'] = _dict.get('row_index_begin')
          if 'row_index_end' in _dict:
              args['row_index_end'] = _dict.get('row_index_end')
          if 'column_index_begin' in _dict:
              args['column_index_begin'] = _dict.get('column_index_begin')
          if 'column_index_end' in _dict:
              args['column_index_end'] = _dict.get('column_index_end')
          if 'row_header_ids' in _dict:
              args['row_header_ids'] = [
                  RowHeaderIds._from_dict(x)
                  for x in (_dict.get('row_header_ids'))
              ]
          if 'row_header_texts' in _dict:
              args['row_header_texts'] = [
                  RowHeaderTexts._from_dict(x)
                  for x in (_dict.get('row_header_texts'))
              ]
          if 'row_header_texts_normalized' in _dict:
              args['row_header_texts_normalized'] = [
                  RowHeaderTextsNormalized._from_dict(x)
                  for x in (_dict.get('row_header_texts_normalized'))
              ]
          if 'column_header_ids' in _dict:
              args['column_header_ids'] = [
                  ColumnHeaderIds._from_dict(x)
                  for x in (_dict.get('column_header_ids'))
              ]
          if 'column_header_texts' in _dict:
              args['column_header_texts'] = [
                  ColumnHeaderTexts._from_dict(x)
                  for x in (_dict.get('column_header_texts'))
              ]
          if 'column_header_texts_normalized' in _dict:
              args['column_header_texts_normalized'] = [
                  ColumnHeaderTextsNormalized._from_dict(x)
                  for x in (_dict.get('column_header_texts_normalized'))
              ]
          if 'attributes' in _dict:
              args['attributes'] = [
                  Attribute._from_dict(x) for x in (_dict.get('attributes'))
              ]
          return cls(**args)