{"ast_node_type":"variable","tokens":[{"end":38,"kind":"keyword","start":0,"text":"&&"}]}
            && let Ok(trait_ref_str) =
            && let Ok(self_ty_str) = self.r.tcx.sess.source_map().span_to_snippet(self_ty.span)
                self.r.tcx.sess.source_map().span_to_snippet(trait_ref.path.span)