{"ast_node_type":"other","tokens":[{"end":27,"kind":"keyword","start":0,"text":"self.with_db(|db|"}]}
        self.with_db(|db| {
    pub fn is_local_source_root(&self, source_root_id: SourceRootId) -> Cancellable<bool> {
            let sr = db.source_root(source_root_id).source_root(db);