Libnvds_mot_iou.so

I want to use libnvds_mot_iou.so in my app instread of opentracker;But i can not find headfile. Does the library(libnvds_mot_iou.so or libnvds_mot_klt.so) support loading and use in your own app? If yes ,How can I use it

• Hardware Platform (Jetson / GPU)
• DeepStream Version5.0
• JetPack Version (valid for Jetson only)
• TensorRT Version
• NVIDIA GPU Driver Version (valid for GPU only)
• Issue Type( questions, new requirements, bugs)
• How to reproduce the issue ? (This is for bugs. Including which sample app is using, the configuration files content, the command line used and other details for reproducing)
• Requirement details( This is for new requirement. Including the module name-for which plugin or for which sample application, the function description)

Please refer to KLT NvMOT usage