@utilities.arguments_not_none<EOL><INDENT>def get_vault_by_authorization(self, authorization_id):<DEDENT>
raise errors.Unimplemented()<EOL>
Gets the list of ``Vault`` objects mapped to an ``Authorization``.

        arg:    authorization_id (osid.id.Id): ``Id`` of an
                ``Authorization``
        return: (osid.authorization.VaultList) - list of vault
        raise:  NotFound - ``authorization_id`` is not found
        raise:  NullArgument - ``authorization_id`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        *compliance: mandatory -- This method must be implemented.*