{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"def.filter_map(|def|"}]}
        def.filter_map(|def| match def.into_module_def() {
    ctx.sema.resolve_mod_path(ast_ret_type.syntax(), &wrapper_path).and_then(|def| {
            hir::ModuleDef::TypeAlias(alias) => {