'Internal helper to create a fake Property.'

def _fake_property(self, p, next, indexed=True):

    self._clone_properties()
    if ((p.name() != next) and (not p.name().endswith(('.' + next)))):
        prop = StructuredProperty(Expando, next)
        prop._store_value(self, _BaseValue(Expando()))
    else:
        compressed = (p.meaning_uri() == _MEANING_URI_COMPRESSED)
        prop = GenericProperty(next, repeated=p.multiple(), indexed=indexed, compressed=compressed)
    prop._code_name = next
    self._properties[prop._name] = prop
    return prop
