// @target: es2015
class d {
    private foo(n: number): string;
    private foo(ns: any) {
        return ns.toString();
    }
    private foo(s: string): string;
}

class e {
    private foo(ns: any) {
        return ns.toString();
    }
    private foo(s: string): string;
    private foo(n: number): string;
}