syntax_data: {"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// few cases where we know that only `DefId`s from the local crate are expected;
context_before: /// no `DefId`s from upstream crates get thrown into the mix. There are quite a
context_after: /// a `DefId` from a different crate would signify a bug somewhere. This