{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":".on_sync_mut::<notifs::DidChangeConfiguration>("}]}
            .on_sync_mut::<notifs::DidChangeConfiguration>(
            .on_sync_mut::<notifs::DidSaveTextDocument>(handlers::handle_did_save_text_document)
                handlers::handle_did_change_configuration,