{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"for"}]}
    for Option<DecodeIterator<'a, 'tcx, T>>
impl<'a, 'tcx, T: Copy + Decodable<DecodeContext<'a, 'tcx>>> ProcessQueryValue<'tcx, &'tcx [T]>
{