def begin_create_or_update_with_http_info(resource_group_name, circuit_name, peering_name, connection_name, express_route_circuit_connection_parameters, custom_headers:nil)
      begin_create_or_update_async(resource_group_name, circuit_name, peering_name, connection_name, express_route_circuit_connection_parameters, custom_headers:custom_headers).value!
    end
def begin_create_or_update_with_http_info(resource_group_name, circuit_name, peering_name, connection_name, express_route_circuit_connection_parameters, custom_headers:nil)
      begin_create_or_update_async(resource_group_name, circuit_name, peering_name, connection_name, express_route_circuit_connection_parameters, custom_headers:custom_headers).value!
    end
Creates or updates a Express Route Circuit Connection in the specified
 express route circuits.

 @param resource_group_name [String] The name of the resource group.
 @param circuit_name [String] The name of the express route circuit.
 @param peering_name [String] The name of the peering.
 @param connection_name [String] The name of the express route circuit
 connection.
 @param express_route_circuit_connection_parameters
 [ExpressRouteCircuitConnection] Parameters supplied to the create or update
 express route circuit connection operation.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [MsRestAzure::AzureOperationResponse] HTTP response information.