combine to a single new list

tflite.dart

  // ...
  final List<DetectionResult> results = List();
  for (var index = 0; index < numDetections; index++) {
    String detectedClass = localLabels[outputClasses[index].toInt()];

    // final top // explain shortly after
    // final left // explain shortly after
    // final bottom // explain shortly after
    // final right // explain shortly after

    final thisSesult = DetectionResult(
      rect: Rect.fromLTRB(left, top, right, bottom),
      confidenceInClass: outputScores[index],
      detectedClass: detectedClass,
    );
    results.add(thisSesult);
  }
  return results;
// ...