{"ast_node_type":"function","tokens":[{"end":71,"kind":"keyword","start":0,"text":"assert_no_match(\"Foo"}]}
    assert_no_match("Foo {a: 1}", "struct Foo {} fn f() {Foo {b: 1}}");
    );
    assert_no_match("Foo {a: 1}", "struct Foo {} fn f() {Foo {a: 2}}");