{"ast_node_type":"function","tokens":[{"end":70,"kind":"keyword","start":0,"text":"check_assist_target(change_visibility,"}]}
        check_assist_target(change_visibility, "$0fn foo() {}", "fn");
    fn change_visibility_target() {
        check_assist_target(change_visibility, "pub(crate)$0 fn foo() {}", "pub(crate)");