pub unsafe extern "C" fn sfcgal_geometry_collection_add_geometry(
collection: *mut sfcgal_geometry_t,
geometry: *mut sfcgal_geometry_t,
)
pub unsafe extern "C" fn sfcgal_geometry_collection_add_geometry(
collection: *mut sfcgal_geometry_t,
geometry: *mut sfcgal_geometry_t,
)