{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"pm::bridge::server::MaybeCrossThread::<MessagePipe<_>>::new("}]}
    pm::bridge::server::MaybeCrossThread::<MessagePipe<_>>::new(
fn exec_strategy(ecx: &ExtCtxt<'_>) -> impl pm::bridge::server::ExecutionStrategy + 'static {
        ecx.sess.opts.unstable_opts.proc_macro_execution_strategy