{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"///"}]}
/// a reference to the `TyCtxt`) and it holds a few caches for speeding up various
/// enough information to transform `DefId`s and `HirId`s into stable `DefPath`s (i.e.,
/// things (e.g., each `DefId`/`DefPath` is only hashed once).