syntax_data: {"ast_node_type":"variable","tokens":[{"end":30,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let outlives =
context_before:                 let cause = self.cause(ObligationCauseCode::ObjectTypeBound(ty, explicit_bound));
context_after:                     ty::Binder::dummy(ty::OutlivesPredicate(explicit_bound, implicit_bound));