code: public ServiceFuture<Map<String, String>> getAsync(String resourceGroupName, String clusterName, String configurationName, final ServiceCallback<Map<String, String>> serviceCallback) {
          return ServiceFuture.fromResponse(getWithServiceResponseAsync(resourceGroupName, clusterName, configurationName), serviceCallback);
      }
docs: The configuration object for the specified cluster. This API is not recommended and might be removed in the future. Please consider using List configurations API instead.
  
  @param resourceGroupName The name of the resource group.
  @param clusterName The name of the cluster.
  @param configurationName The name of the cluster configuration.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object