code: public Observable<DeletedSecretBundle> getDeletedSecretAsync(String vaultBaseUrl, String secretName) {
          return getDeletedSecretWithServiceResponseAsync(vaultBaseUrl, secretName).map(new Func1<ServiceResponse<DeletedSecretBundle>, DeletedSecretBundle>() {
              @Override
              public DeletedSecretBundle call(ServiceResponse<DeletedSecretBundle> response) {
                  return response.body();
              }
          });
      }
docs: Gets the specified deleted secret.
  The Get Deleted Secret operation returns the specified deleted secret along with its attributes. This operation requires the secrets/get permission.
  
  @param vaultBaseUrl The vault name, for example https://myvault.vault.azure.net.
  @param secretName The name of the secret.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the DeletedSecretBundle object