{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"///"}]}
/// as in `*const brace! { ... }`. Returns that trailing macro call.
/// If the type's last token is `}`, it must be due to a braced macro call, such
fn type_trailing_braced_mac_call(mut ty: &ast::Ty) -> Option<&ast::MacCall> {