/**
 * @module Async
 */
import { TimeSpan } from "../../../utilities/_module-exports.js";
import type { BackoffPolicy, DynamicBackoffPolicy } from "../../../async/backof-policies/_shared.js";
/**
 *
 * IMPORT_PATH: `"@daiso-tech/core/async"`
 * @group BackoffPolicies
 */
export type ExponentialBackoffPolicySettings = {
    /**
     * @default 60_000 milliseconds
     */
    maxDelay?: TimeSpan;
    /**
     * @default 1_000 milliseconds
     */
    minDelay?: TimeSpan;
    /**
     * @default 2
     */
    multiplier?: number;
    /**
     * @default 0.5
     */
    jitter?: number;
    /**
     * @internal
     * Should only be used for testing
     */
    _mathRandom?: () => number;
};
/**
 * Exponential backoff policy with jitter
 *
 * IMPORT_PATH: `"@daiso-tech/core/async"`
 * @group BackoffPolicies
 */
export declare function exponentialBackoffPolicy(settings?: DynamicBackoffPolicy<ExponentialBackoffPolicySettings>): BackoffPolicy;