def register_default_processors(cls):
        """
        Register our default request processors for the out-of-the-box
        Page experience.
        """
        cls.register_request_processor(
            processors.redirect_request_processor, key="redirect"
        )
        cls.register_request_processor(
            processors.extra_context_request_processor, key="extra_context"
        )

        Register our default request processors for the out-of-the-box
        Page experience.
        
feincms/module/page/models.py