docs: async def export_wallet(handle: int,
                          export_config_json: str) -> None:
      """
      Exports opened wallet to the file.
  
      :param handle: wallet handle returned by indy_open_wallet.
      :param export_config_json: JSON containing settings for input operation.
         {
            "path": path of the file that contains exported wallet content
            "key": string, Key or passphrase used for wallet export key derivation.
                           Look to key_derivation_method param for information about supported key derivation methods.
            "key_derivation_method": optional<string> algorithm to use for export key derivation:
                                  ARGON2I_MOD - derive secured wallet export key (used by default)
                                  ARGON2I_INT - derive secured wallet export key (less secured but faster)
                                  RAW - raw wallet export key provided (skip derivation).
                                        RAW keys can be generated with generate_wallet_key call
         }
      :return:
      """
  
      logger = logging.getLogger(__name__)
      logger.debug("export_wallet: >>> handle: %r, export_config_json: %r",
                   handle,
                   export_config_json)
  
      if not hasattr(export_wallet, "cb"):
          logger.debug("export_wallet: Creating callback")
          export_wallet.cb = create_cb(CFUNCTYPE(None, c_int32, c_int32))
  
      c_export_config_json = c_char_p(export_config_json.encode('utf-8'))
  
      await do_call('indy_export_wallet',
                    handle,
                    c_export_config_json,
                    export_wallet.cb)
  
      logger.debug("export_wallet: <<<")