// @target: es2015
//@noUnusedLocals:true
//@noUnusedParameters:true

function greeter(person: string, person2: string) {
    var unused = 20;
    function maker(child: string): void {
        var unused2 = 22;
    }
    function maker2(child2: string): void {
        var unused3 = 23;
    }
    maker2(person2);
}