code: public ServiceFuture<ClusterInner> updateAsync(String resourceGroupName, String clusterName, ClusterUpdateParameters parameters, final ServiceCallback<ClusterInner> serviceCallback) {
          return ServiceFuture.fromResponse(updateWithServiceResponseAsync(resourceGroupName, clusterName, parameters), serviceCallback);
      }
docs: Update the properties of a given cluster.
  
  @param resourceGroupName Name of the resource group to which the resource belongs.
  @param clusterName The name of the cluster within the specified resource group. Cluster names can only contain a combination of alphanumeric characters along with dash (-) and underscore (_). The name must be from 1 through 64 characters long.
  @param parameters Additional parameters for cluster update.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object