code: public void enableKeyVault(String resourceGroupName, String accountName) {
          enableKeyVaultWithServiceResponseAsync(resourceGroupName, accountName).toBlocking().single().body();
      }
docs: Attempts to enable a user managed key vault for encryption of the specified Data Lake Store account.
  
  @param resourceGroupName The name of the Azure resource group that contains the Data Lake Store account.
  @param accountName The name of the Data Lake Store account to attempt to enable the Key Vault for.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent