def _stringify(self, transform: StringifyTransform) -> str:
    res = []
    if (self.visibility is not None):
        res.append(self.visibility)
        res.append(' ')
    if self.virtual:
        res.append('virtual ')
    res.append(transform(self.name))
    if self.pack:
        res.append('...')
    return ''.join(res)
def _stringify(self, transform: StringifyTransform) -> str:
    res = []
    if (self.visibility is not None):
        res.append(self.visibility)
        res.append(' ')
    if self.virtual:
        res.append('virtual ')
    res.append(transform(self.name))
    if self.pack:
        res.append('...')
    return .join(res)