/**
 * Decides when a component has operated well enough, for long enough, that its
 * retry state should reset.
 */
export interface ResetPolicy {
    /**
     * Records that the component is operating normally.
     */
    noteHealthy(): void;
    /**
     * Records a failure, which ends any healthy stretch in progress.
     */
    noteFailure(): void;
    /**
     * Reports whether the reset condition is met.
     */
    isSatisfied(): boolean;
}
/**
 * Creates a policy that resets once the component has operated without failing
 * for the given duration. Repeated healthy reports do not move the starting
 * point; only a failure clears it.
 *
 * @param healthyForMs How long the component must operate without failing,
 * in milliseconds; must be a positive, finite number.
 * @param clock The time source used to measure the healthy stretch; defaults
 * to a monotonic clock. Primarily for testing.
 */
export declare function createAfterHealthyFor(healthyForMs: number, clock?: () => number): ResetPolicy;
/**
 * Creates a policy that resets once the given number of operations in a row
 * have succeeded.
 *
 * @param count How many operations in a row must succeed; must be a positive
 * integer.
 */
export declare function createAfterConsecutiveSuccesses(count: number): ResetPolicy;
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