code: public Observable<SourceControlInner> updateSourceControlAsync(String sourceControlType, SourceControlInner requestMessage) {
          return updateSourceControlWithServiceResponseAsync(sourceControlType, requestMessage).map(new Func1<ServiceResponse<SourceControlInner>, SourceControlInner>() {
              @Override
              public SourceControlInner call(ServiceResponse<SourceControlInner> response) {
                  return response.body();
              }
          });
      }
docs: Updates source control token.
  Updates source control token.
  
  @param sourceControlType Type of source control
  @param requestMessage Source control token information
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the SourceControlInner object