Is COCO Average Precision (AP) metric averaged over different confidence thresholds?

[bartosz-grabowski]

There doesn't seem to be a way to set the confidence threshold when using COCOEvaluator. Does that mean it is averaged for different confidence thresholds? The class

detectron2/detectron2/evaluation/coco_evaluation.py

Line 38 in c69939a

See http://cocodataset.org/#detection-eval and

points to the following page which doesn't explain this, it only confirms that the AP is averaged over different IoU values.