public static BoostStrategy getDynamicBoost(final XAnnotatedElement element) {
   if (element == null) {
     return DefaultBoostStrategy.INSTANCE;
   }
   DynamicBoost boostAnnotation = element.getAnnotation(DynamicBoost.class);
   if (boostAnnotation == null) {
     return DefaultBoostStrategy.INSTANCE;
   }
   Class<? extends BoostStrategy> boostStrategyClass = boostAnnotation.impl();
   return ClassLoaderHelper.instanceFromClass(
       BoostStrategy.class, boostStrategyClass, "boost strategy");
 }