/**
 * Async version of [thi.ng/transducers
 * range()](https://docs.thi.ng/umbrella/transducers/functions/range-1.html),
 * taking an additional `delay` argument for specifying the number of
 * milliseconds between each generated value.
 *
 * @param delay
 */
export declare function range(delay: number): AsyncIterableIterator<number>;
export declare function range(to: number, delay: number): AsyncIterableIterator<number>;
export declare function range(from: number, to: number, delay: number): AsyncIterableIterator<number>;
export declare function range(from: number, to: number, step: number, delay: number): AsyncIterableIterator<number>;
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