code: public Observable<List<TransparentDataEncryptionActivityInner>> listByConfigurationAsync(String resourceGroupName, String serverName, String databaseName) {
          return listByConfigurationWithServiceResponseAsync(resourceGroupName, serverName, databaseName).map(new Func1<ServiceResponse<List<TransparentDataEncryptionActivityInner>>, List<TransparentDataEncryptionActivityInner>>() {
              @Override
              public List<TransparentDataEncryptionActivityInner> call(ServiceResponse<List<TransparentDataEncryptionActivityInner>> response) {
                  return response.body();
              }
          });
      }
docs: Returns a database's transparent data encryption operation result.
  
  @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
  @param serverName The name of the server.
  @param databaseName The name of the database for which the transparent data encryption applies.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the List&lt;TransparentDataEncryptionActivityInner&gt; object