_extract_parameters

# File actionpack/lib/action_controller/metal/params_wrapper.rb, line 277
      def _extract_parameters(parameters)
        if include_only = _wrapper_options.include
          parameters.slice(*include_only)
        elsif _wrapper_options.exclude
          exclude = _wrapper_options.exclude + EXCLUDE_PARAMETERS
          parameters.except(*exclude)
        else
          parameters.except(*EXCLUDE_PARAMETERS)
        end
      end