code: public ServiceFuture<ListContentKeysResponseInner> listContentKeysAsync(String resourceGroupName, String accountName, String streamingLocatorName, final ServiceCallback<ListContentKeysResponseInner> serviceCallback) {
          return ServiceFuture.fromResponse(listContentKeysWithServiceResponseAsync(resourceGroupName, accountName, streamingLocatorName), serviceCallback);
      }
docs: List Content Keys.
  List Content Keys used by this Streaming Locator.
  
  @param resourceGroupName The name of the resource group within the Azure subscription.
  @param accountName The Media Services account name.
  @param streamingLocatorName The Streaming Locator name.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object