code: public ServiceFuture<List<VnetInfoInner>> listVnetsAsync(String resourceGroupName, String name, final ServiceCallback<List<VnetInfoInner>> serviceCallback) {
          return ServiceFuture.fromResponse(listVnetsWithServiceResponseAsync(resourceGroupName, name), serviceCallback);
      }
docs: Get all Virtual Networks associated with an App Service plan.
  Get all Virtual Networks associated with 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 serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object