Can someone provide an example of how to use the PrintDiscoverySession class in Android Studio

I am a student learning to develop an android app. Can someone help me with an example of how to use the PrintDiscoverySession class in Android Studio to find a list of printers on the network? This is a similar request to the link below.

Get a list of available printers (Wifi, bluetooth, USBs) and print the document using the selected printer