pub unsafe extern "C" fn CFPreferencesGetAppBooleanValue(
key: CFStringRef,
applicationID: CFStringRef,
keyExistsAndHasValidFormat: *mut Boolean,
) -> Booleanpub unsafe extern "C" fn CFPreferencesGetAppBooleanValue(
key: CFStringRef,
applicationID: CFStringRef,
keyExistsAndHasValidFormat: *mut Boolean,
) -> Boolean