if (defined?(user_scope_klass) && !self.settings[:user_scoped_method].is_a?(Symbol)) || (self.settings[:user_scoped_method].is_a?(Symbol) && !(defined?(user_scope_klass)))
        raise InvalidConfiguration, "AnAxe::Config.settings[:user_scope_class] and AnAxe::Config.settings[:user_scoped_method] must both be set if either is set."
      end