def _stringify(self, transform: StringifyTransform) -> str:
    res = []
    if self.declId:
        res.append(transform(self.declId))
    res.append(' : ')
    res.append(transform(self.size))
    return ''.join(res)
def _stringify(self, transform: StringifyTransform) -> str:
    res = []
    if self.declId:
        res.append(transform(self.declId))
    res.append(' : ')
    res.append(transform(self.size))
    return .join(res)