syntax_data: {"ast_node_type":"variable","tokens":[{"end":72,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if let ty::ClauseKind::Trait(ref poly_trait_predicate) =
context_before:                 // We only look at the `DefId`, so it is safe to skip the binder here.
context_after:                     predicate.kind().skip_binder()