{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"//"}]}
        // We only care about method calls.
    fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) {
        let ExprKind::MethodCall(call, receiver, _, call_span) = &expr.kind else {