code: public DeletedKeyBundle getDeletedKey(String vaultBaseUrl, String keyName) {
          return getDeletedKeyWithServiceResponseAsync(vaultBaseUrl, keyName).toBlocking().single().body();
      }
docs: Gets the public part of a deleted key.
  The Get Deleted Key operation is applicable for soft-delete enabled vaults. While the operation can be invoked on any vault, it will return an error if invoked on a non soft-delete enabled vault. This operation requires the keys/get permission.
  
  @param vaultBaseUrl The vault name, for example https://myvault.vault.azure.net.
  @param keyName The name of the key.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws KeyVaultErrorException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the DeletedKeyBundle object if successful.