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@reactivex/ix-esnext-esm

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The Interactive Extensions for JavaScript

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import { MonoTypeOperatorAsyncFunction } from '../../interfaces'; export declare function maxBy<TSource, TKey>(keySelector: (x: TSource) => TKey | Promise<TKey>, comparer?: (x: TKey, y: TKey) => number | Promise<number>): MonoTypeOperatorAsyncFunction<TSource>;