{"ast_node_type":"struct","tokens":[{"end":87,"kind":"keyword","start":0,"text":"pub"}]}
pub struct AllocRef<'a, 'tcx, Prov: Provenance, Extra, Bytes: AllocBytes = Box<[u8]>> {
#[derive(Copy, Clone)]
    alloc: &'a Allocation<Prov, Extra, Bytes>,