@url.setter
def url(self, value: str):
    if (len(value) > 512):
        raise ValidationError('The maximum url length is 512 characters.')
    self._url = value
@url.setter
def url(self, value: str):
    if (len(value) > 512):
        raise ValidationError('The maximum url length is 512 characters.')
    self._url = value