I'm not sure if there's a 'correct' way to import headers from another project, so this might need some work.
--
v2: uiautomationcore: Add basic IAccessible2 support.
ia2comproxy: Introduce new proxy stub DLL for IAccessible2.
include: Import IAccessible2 headers.
https://gitlab.winehq.org/wine/wine/-/merge_requests/247