pub unsafe extern "C" fn faiss_IndexPreTransform_prepend_transform(
index: *mut FaissIndexPreTransform,
ltrans: *mut FaissVectorTransform,
) -> c_intpub unsafe extern "C" fn faiss_IndexPreTransform_prepend_transform(
index: *mut FaissIndexPreTransform,
ltrans: *mut FaissVectorTransform,
) -> c_int