pub unsafe extern "C" fn VTSessionCopySerializableProperties(
session: VTSessionRef,
allocator: CFAllocatorRef,
dictionaryOut: *mut CFDictionaryRef,
) -> OSStatuspub unsafe extern "C" fn VTSessionCopySerializableProperties(
session: VTSessionRef,
allocator: CFAllocatorRef,
dictionaryOut: *mut CFDictionaryRef,
) -> OSStatus