Given that there's a big chance we might need an interface for the private extensions for all application(s) we will need some easy way of accessing that with the help of a library. 

Please see https://jira.automotivelinux.org/browse/SPEC-3327

• Owner name(s), gerrit user ID or email address: mvlad
• Project maintainers if different from the Owner: mvlad
•  Project name: libagl-compositor
• Short project description (1 line): Library for providing easy access to the private extensions advertised by the agl-compositor
• Repo name (if different from the project name): libagl-compositor