private void findComponents(String rootPackage) {
   componentsClasses =
       ReflectionUtil.find(
           rootPackage, clazz -> hasAnnotation(clazz, Component.class) && !clazz.isAnnotation());
 }
 private void findConfigurationClasses(String rootPackage) {
   configurations =
       ReflectionUtil.find(rootPackage, clazz -> clazz.isAnnotationPresent(Configuration.class));
 }