Method _coerce_to_array

pandas/core/arrays/masked.py:334–337

(
        cls, values, *, dtype: DtypeObj, copy: bool = False
    )

    @classmethod
    def _coerce_to_array(
        cls, values, *, dtype: DtypeObj, copy: bool = False
    ) -> tuple[np.ndarray, np.ndarray]:
        raise AbstractMethodError(cls)

    def _validate_setitem_value(self, value):
        """