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=== tests/cases/compiler/overloadOnConstInBaseWithBadImplementationInDerived.ts ===
interface I {
>I : I
x1(a: number, callback: (x: 'hi') => number);
>x1 : (a: number, callback: (x: "hi") => number) => any
>a : number
>callback : (x: "hi") => number
>x : "hi"
}
class C implements I {
>C : C
>I : I
x1(a: number, callback: (x: 'hi') => number) { // error
>x1 : (a: number, callback: (x: "hi") => number) => void
>a : number
>callback : (x: "hi") => number
>x : "hi"
}
}
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