pub unsafe extern "C" fn hb_ot_layout_feature_with_variations_get_lookups(
face: *mut hb_face_t,
table_tag: hb_tag_t,
feature_index: c_uint,
variations_index: c_uint,
start_offset: c_uint,
lookup_count: *mut c_uint,
lookup_indexes: *mut c_uint,
) -> c_uint