code: public Observable<LabAccountInner> createOrUpdateAsync(String resourceGroupName, String labAccountName, LabAccountInner labAccount) {
          return createOrUpdateWithServiceResponseAsync(resourceGroupName, labAccountName, labAccount).map(new Func1<ServiceResponse<LabAccountInner>, LabAccountInner>() {
              @Override
              public LabAccountInner call(ServiceResponse<LabAccountInner> response) {
                  return response.body();
              }
          });
      }
docs: Create or replace an existing Lab Account.
  
  @param resourceGroupName The name of the resource group.
  @param labAccountName The name of the lab Account.
  @param labAccount Represents a lab account.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the LabAccountInner object