pub unsafe extern "C" fn gtk_source_region_intersect_region(
region1: *mut GtkSourceRegion,
region2: *mut GtkSourceRegion,
) -> *mut GtkSourceRegionpub unsafe extern "C" fn gtk_source_region_intersect_region(
region1: *mut GtkSourceRegion,
region2: *mut GtkSourceRegion,
) -> *mut GtkSourceRegion