https://v4-11-10-dot-shaka-player-demo.appspot.com/docs/api/shaka.ui.CopyVideoFrameButton.html
JSDoc: Class: shaka.ui.CopyVideoFrameButton
jsdocclassshakaui
https://v4-12-11-dot-shaka-player-demo.appspot.com/docs/api/shaka.ui.CopyVideoFrameButton.Factory.html
JSDoc: Class: shaka.ui.CopyVideoFrameButton.Factory
jsdocclassshakauifactory