syntax_data: {"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// whose return value is written into `term`.
context_before:     /// It is likely more useful to think of this as a function `normalizes_to(alias)`,
context_after:     NormalizesTo(ty::NormalizesTo<I>),