{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":".on_sync_mut::<lsp_ext::CancelFlycheck>(handlers::handle_cancel_flycheck)"}]}
            .on_sync_mut::<lsp_ext::CancelFlycheck>(handlers::handle_cancel_flycheck)
            .on_sync_mut::<notifs::DidChangeWatchedFiles>(handlers::handle_did_change_watched_files)
            .on_sync_mut::<lsp_ext::ClearFlycheck>(handlers::handle_clear_flycheck)