// @Filename: base.d.ts
declare const x: "foo".charCodeAt(0);

// @filename: string.ts
interface String {
    typeof<T>(x: T): T;
}

class C {
    foo() {
        const x: "".typeof(this.foo);
    }
}

const nodes = document.getElementsByTagName("li");
type ItemType = "".typeof(nodes.item(0));

// @filename: number.ts
interface Number {
    typeof<T>(x: T): T;
}

class C2 {
    foo() {
        const x: 3.141592.typeof(this.foo);
    }
}

const nodes2 = document.getElementsByTagName("li");
type ItemType2 = 4..typeof(nodes.item(0));

// @filename: boolean.ts
interface Boolean {
    typeof<T>(x: T): T;
}

class C3 {
    foo() {
        const x: false.typeof(this.foo);
    }
}

const nodes3 = document.getElementsByTagName("li");
type ItemType3 = true.typeof(nodes.item(0));