{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"Some(colon)"}]}
            Some(colon) => ted::remove_all(colon..=self.syntax().clone().into()),
        match self.syntax().siblings_with_tokens(Direction::Prev).find(|it| it.kind() == T![:]) {
            None => ted::remove(self.syntax()),