code: public static CloudBigtableScanConfiguration BuildExportConfig(ExportOptions options) {
      ValueProvider<ReadRowsRequest> request = new RequestValueProvider(options);
      CloudBigtableScanConfiguration.Builder configBuilder =
          new CloudBigtableScanConfiguration.Builder()
              .withProjectId(options.getBigtableProject())
              .withInstanceId(options.getBigtableInstanceId())
              .withTableId(options.getBigtableTableId())
              .withAppProfileId(options.getBigtableAppProfileId())
              .withRequest(request);
  
      return configBuilder.build();
    }
docs: Builds CloudBigtableScanConfiguration from input runtime parameters for export job.