This class will be shared between extractor and muxer module.
PiperOrigin-RevId: 532784415
(cherry picked from commit 7b62b33127a617cc3b7b23f21c385f2329e402a3)
This module will contain functionalities common to extractor and muxer.
PiperOrigin-RevId: 531501602
(cherry picked from commit eb8ec87a5cbf26998ee17d9d6b1d4979ee0c28f6)