syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"ty::Adt(def,"}]}
source_snippet:             ty::Adt(def, args) if def.is_phantom_data() => {
context_before:             // For `PhantomData<T>`, we pass `T`.
context_after:                 ty::Binder::dummy(AutoImplConstituents {