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//// [mappedTypeNestedGenericInstantiation.ts]
// Repro from #13346
interface Chainable<T> {
value(): T;
mapValues<U>(func: (v: T[keyof T]) => U): Chainable<{[k in keyof T]: U}>;
}
declare function chain<T>(t: T): Chainable<T>;
const square = (x: number) => x * x;
const v = chain({a: 1, b: 2}).mapValues(square).value();
//// [mappedTypeNestedGenericInstantiation.js]
// Repro from #13346
var square = function (x) { return x * x; };
var v = chain({ a: 1, b: 2 }).mapValues(square).value();
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