def create_or_update(resource_group_name, route_filter_name, rule_name, route_filter_rule_parameters, custom_headers:nil)
      response = create_or_update_async(resource_group_name, route_filter_name, rule_name, route_filter_rule_parameters, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def create_or_update(resource_group_name, route_filter_name, rule_name, route_filter_rule_parameters, custom_headers:nil)
      response = create_or_update_async(resource_group_name, route_filter_name, rule_name, route_filter_rule_parameters, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Creates or updates a route in the specified route filter.

 @param resource_group_name [String] The name of the resource group.
 @param route_filter_name [String] The name of the route filter.
 @param rule_name [String] The name of the route filter rule.
 @param route_filter_rule_parameters [RouteFilterRule] Parameters supplied to
 the create or update route filter rule operation.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [RouteFilterRule] operation results.