@Test
public void testAbstract() throws Exception {

  @Api(isAbstract = AnnotationBoolean.TRUE)
  class Test {}
  String apiConfigSource = g.generateConfig(Test.class).get("myapi-v1.api");
  ObjectNode root = objectMapper.readValue(apiConfigSource, ObjectNode.class);
  assertTrue(root.get("abstract").asBoolean());
}