syntax_data: {"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"ty::Foreign(..)"}]}
source_snippet:             ty::Foreign(..) => {
context_before:             // `assemble_candidates_from_auto_impls`.
context_after:                 ty::Binder::dummy(AutoImplConstituents { types: vec![], assumptions: vec![] })