declare type AsyncOrSyncIterable<T> = import("../lib/AsyncOrSyncIterable.js").AsyncOrSyncIterable<T>;
declare type Scan = {
    <T>(iterable: AsyncOrSyncIterable<T>, reducer: (accumulator: T, value: T, index: number) => T): AsyncIterable<T>;
    <T>(iterable: AsyncOrSyncIterable<T>, seed: T, reducer: (accumulator: T, value: T, index: number) => T): AsyncIterable<T>;
    <T, R>(iterable: AsyncOrSyncIterable<T>, seed: R, reducer: (accumulator: R, value: T, index: number) => R): AsyncIterable<R>;
};
declare const _default: Scan;
export default _default;