{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"impl<'a,"}]}
impl<'a, 'tcx> Decodable<CacheDecoder<'a, 'tcx>> for Vec<u8> {
// into specializations this way, given how `CacheDecoder` and the decoding traits currently work.
    fn decode(d: &mut CacheDecoder<'a, 'tcx>) -> Self {