{"ast_node_type":"variable","tokens":[{"end":74,"kind":"keyword","start":0,"text":"let"}]}
                let analysis = AssertUnwindSafe(self.snapshot().analysis);
            QueuedTask::CheckProcMacroSources(modified_rust_files) => {
                self.task_pool.handle.spawn_with_sender(stdx::thread::ThreadIntent::Worker, {