code: def copy(self):
          
          return self.__class__(
              project=self.project,
              credentials=self._credentials,
              user_agent=self.user_agent,
          )
docs: Make a copy of this client.
  
          Copies the local data stored as simple types but does not copy the
          current state of any open connections with the Cloud Bigtable API.
  
          :rtype: :class:`.Client`
          :returns: A copy of the current client.