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=== tests/cases/conformance/expressions/binaryOperators/instanceofOperator/instanceofOperatorWithRHSIsSubtypeOfFunction.ts ===
interface I extends Function { }
var x: any;
>x : any
var f1: Function;
>f1 : Function
var f2: I;
>f2 : I
var f3: { (): void };
>f3 : () => void
var f4: { new (): number };
>f4 : new () => number
var r1 = x instanceof f1;
>r1 : boolean
>x instanceof f1 : boolean
>x : any
>f1 : Function
var r2 = x instanceof f2;
>r2 : boolean
>x instanceof f2 : boolean
>x : any
>f2 : I
var r3 = x instanceof f3;
>r3 : boolean
>x instanceof f3 : boolean
>x : any
>f3 : () => void
var r4 = x instanceof f4;
>r4 : boolean
>x instanceof f4 : boolean
>x : any
>f4 : new () => number
var r5 = x instanceof null;
>r5 : boolean
>x instanceof null : boolean
>x : any
>null : null
var r6 = x instanceof undefined;
>r6 : boolean
>x instanceof undefined : boolean
>x : any
>undefined : undefined
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