code: public ServiceFuture<DatabaseAccountListReadOnlyKeysResultInner> listReadOnlyKeysAsync(String resourceGroupName, String accountName, final ServiceCallback<DatabaseAccountListReadOnlyKeysResultInner> serviceCallback) {
          return ServiceFuture.fromResponse(listReadOnlyKeysWithServiceResponseAsync(resourceGroupName, accountName), serviceCallback);
      }
docs: Lists the read-only access keys for the specified Azure Cosmos DB database account.
  
  @param resourceGroupName Name of an Azure resource group.
  @param accountName Cosmos DB database account 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