import { Enumerable } from "../enumerable";
declare module '../enumerable' {
    interface Enumerable<TSource> {
        aggregate<TAccumulate, TResult>(seed: TAccumulate, func: (accumulate: TAccumulate, item: TSource) => TAccumulate, resultSelector?: (accumulate: TAccumulate) => TResult): TResult;
    }
}
export declare function aggregate<TSource, TAccumulate, TResult>(this: Enumerable<TSource>, seed: TAccumulate, func: (accumulate: TAccumulate, item: TSource) => TAccumulate, resultSelector?: (accumulate: TAccumulate) => TResult): TResult;