How to use TrackerCSRT?

C++
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1

Hi, there,
I did install opencv_contrib and compiled by Cmake.
As well I linked with VS2019.
But, I still could not find TrackerCSRT include file as shown in the example.
Anybody can help fix this issue?

2

Forgot mention that I installed opencv 4.5.4

3

which example is that?

api docs: OpenCV: cv::TrackerCSRT Class Reference