code: public static <T> Constructor<T> getConstructor(Class<?> type, Class<?>... parameterTypes) {
  		return (Constructor<T>) WhiteboxImpl.getConstructor(type, parameterTypes);
  	}
docs: Convenience method to get a (declared) constructor from a class type
  without having to catch the checked exceptions otherwise required. These
  exceptions are wrapped as runtime exceptions. The constructor is also set
  to accessible.
  
  @param type
  The type of the class where the constructor is located.
  @param parameterTypes
  All parameter types of the constructor (may be
  {@code null}).
  @return A {@code java.lang.reflect.Constructor}.
  @throws ConstructorNotFoundException
  if the constructor cannot be found.