syntax_data: {"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"debug!(\"lower_variant_or_leaf:"}]}
source_snippet:             debug!("lower_variant_or_leaf: kind={:?} user_ty={:?} span={:?}", kind, user_ty, span);
context_before:         if let Some(user_ty) = self.user_args_applied_to_ty_of_hir_id(hir_id) {
context_after:             let annotation = CanonicalUserTypeAnnotation {