docs: def can_lookup_objective_banks(self):
          """Tests if this user can perform ObjectiveBank lookups.
          A return of true does not guarantee successful authorization. A
          return of false indicates that it is known all methods in this
          session will result in a PermissionDenied. This is intended as
          a hint to an application that may opt not to offer lookup
          operations to unauthorized users.
          return: (boolean) - false if lookup methods are not authorized,
                  true otherwise
          compliance: mandatory - This method must be implemented.
  
          """
          # need to use a default bank_id here...not ideal.
          url_path = construct_url('authorization',
                                   bank_id=self._default_bank_id)
          return self._get_request(url_path)['objectiveBankHints']['canLookup']