docs: public static <T> Constructor<T> getConstructorIfAvailable(Class<T> clazz, Class<?>... paramTypes) {
  		Assert.notNull(clazz, "Class must not be null");
  		try {
  			return clazz.getConstructor(paramTypes);
  		}
  		catch (NoSuchMethodException ex) {
  			return null;
  		}
  	}