code: public Observable<OperationResultInner> getAsync(String locationName, String operationName) {
          return getWithServiceResponseAsync(locationName, operationName).map(new Func1<ServiceResponse<OperationResultInner>, OperationResultInner>() {
              @Override
              public OperationResultInner call(ServiceResponse<OperationResultInner> response) {
                  return response.body();
              }
          });
      }
docs: Get operation.
  
  @param locationName The name of the location.
  @param operationName The name of the operation.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the OperationResultInner object