code: function (Class, descriptors, staticDescriptors) {
      var validate = Validating.forDescriptors(descriptors);
      validate.isAutoGenerated = true;
      return validate;
    }
docs: Create a function which can validate instances of the class.
  
  @param  {Function} Class             The class.
  @param  {Object}   descriptors       The property descriptors.
  @param  {Object}   staticDescriptors The static property descriptors.
  
  @return {Function} The generated function.