
This is basically 'container' and 'subtitle' MIME types I previously avoided stabilising any 'custom' MIME types (those containing '/x-') but it certainly seems reasonable to expect developers to use APPLICATION_M3U8 and so then it also makes sense to stabilise other 'similar' custom MIME types too. PiperOrigin-RevId: 438501642
Common module
Provides common code and utilities used by other media modules. Application code will not normally need to depend on this module directly.