{"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"if"}]}
                if let Some(generics) = node.generics() {
            for (_parent, node) in tcx.hir_parent_iter(hir_id) {
                    let mut visitor = AnonConstInParamTyDetector { in_param_ty: false, ct: hir_id };