code: public ServiceFuture<List<VnetRouteInner>> listRoutesForVnetAsync(String resourceGroupName, String name, String vnetName, final ServiceCallback<List<VnetRouteInner>> serviceCallback) {
          return ServiceFuture.fromResponse(listRoutesForVnetWithServiceResponseAsync(resourceGroupName, name, vnetName), serviceCallback);
      }
docs: Get all routes that are associated with a Virtual Network in an App Service plan.
  Get all routes that are associated with a Virtual Network in an App Service plan.
  
  @param resourceGroupName Name of the resource group to which the resource belongs.
  @param name Name of the App Service plan.
  @param vnetName Name of the Virtual Network.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object