declare type Scan = {
    <T>(iterable: Iterable<T>, reducer: (accumulator: T, value: T, index: number) => T): Iterable<T>;
    <T>(iterable: Iterable<T>, seed: T, reducer: (accumulator: T, value: T, index: number) => T): Iterable<T>;
    <T, R>(iterable: Iterable<T>, seed: R, reducer: (accumulator: R, value: T, index: number) => R): Iterable<R>;
};
declare const _default: Scan;
export default _default;