Method filter

src/sentry/options/manager.py:473–481

Return an iterator that's filtered by which flags are set on a key.

(self, flag: int | None = None)

        return self.registry.values()

    def filter(self, flag: int | None = None):
        """
        Return an iterator that's filtered by which flags are set on a key.
        """
        if flag is None:
            return self.all()
        if flag is DEFAULT_FLAGS:
            return (k for k in self.all() if k.flags is DEFAULT_FLAGS)
        return (k for k in self.all() if k.flags & flag)

    def get_last_update_channel(self, key: str) -> UpdateChannel | None:
        """