{"ast_node_type":"struct","tokens":[{"end":85,"kind":"keyword","start":0,"text":"check_assist_target(change_visibility,"}]}
        check_assist_target(change_visibility, "struct S { $0field: u32 }", "field");
        check_assist_target(change_visibility, "pub(crate)$0 fn foo() {}", "pub(crate)");
    }