@property
    def text(self):
        msg = ("'.text' property must be implemented by all subclasses of It"
               "emPresenter")
        raise NotImplementedError(msg)
Raise |NotImplementedError|; all subclasses must implement a ``text``
dataset/ETHPy150Open python-openxml/opc-diag/opcdiag/presenter.py/ItemPresenter.text