code: public Observable<Page<SourceControlInner>> listSourceControlsAsync() {
          return listSourceControlsWithServiceResponseAsync()
              .map(new Func1<ServiceResponse<Page<SourceControlInner>>, Page<SourceControlInner>>() {
                  @Override
                  public Page<SourceControlInner> call(ServiceResponse<Page<SourceControlInner>> response) {
                      return response.body();
                  }
              });
      }
docs: Gets the source controls available for Azure websites.
  Gets the source controls available for Azure websites.
  
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the PagedList&lt;SourceControlInner&gt; object