pub unsafe extern "C" fn mlx_quantized_matmul(
res: *mut mlx_array,
x: mlx_array,
w: mlx_array,
scales: mlx_array,
biases: mlx_array,
transpose: bool,
group_size: mlx_optional_int,
bits: mlx_optional_int,
mode: *const c_char,
s: mlx_stream,
) -> c_int