code: def __repr__(self):
      return """
                  Version      : {}
                  Name         : {}
                  Keys         : {}
                  Rows         : {}
              """.format(
          self.version, self.name, self.key, len(self._data)
      )
  
imports: import datetime
  from abc import ABCMeta, abstractmethod
  import lore
  from lore.env import require
  from lore.util import convert_df_columns_to_json
  import pandas
  import inflection
label_desc: Use image node_id 15 for calling the BaseFeatureExporter obj's underlying member method code with example usage: obj.__repr__() and returns: str