syntax_data: {"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     ///     //^ Since `mod bar` not outside this expansion, `adjust` does not change `f`,
context_before:     ///     bar::f(); // `f`'s `SyntaxContext` has a single `ExpnId` from `m`
context_after:     ///     //| and it resolves to `::bar::f`.