syntax_data: {"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     ///     //| and it resolves to `::foo::f`.
context_before:     ///     //^ Since `mod foo` is outside this expansion, `adjust` removes the mark from `f`,
context_after:     ///     bar::f(); // `f`'s `SyntaxContext` has a single `ExpnId` from `m`