/**
 * @module CircuitBreaker
 */
import { type HalfOpenTransitions, type CircuitBreakerTrackSettings, type CircuitBreakerTrackState, type ICircuitBreakerPolicy, type ClosedTransitions } from "../../../../circuit-breaker/contracts/_module.js";
/**
 * Tracks in-memory failure and success counts for the consecutive circuit breaker.
 *
 * IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/policies"`
 * @group Policies
 */
export type ConsecutiveBreakerState = {
    failureCount: number;
    successCount: number;
};
/**
 * Configuration for the consecutive-failures circuit breaker policy.
 * Opens the circuit when `failureThreshold` consecutive failures occur,
 * and closes it again after `successThreshold` consecutive successes in half-open state.
 *
 * IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/policies"`
 * @group Policies
 */
export type ConsecutiveBreakerSettings = {
    /**
     * Amount of consecutive failures before going from closed -> open.
     *
     * @default 5
     */
    failureThreshold?: number;
    /**
     * Amount of consecutive success before going from half-open -> closed.
     *
     * @default settings.failureThreshold
     */
    successThreshold?: number;
};
/**
 * @internal
 */
export declare function resolveConsecutiveBreakerSettings(settings: ConsecutiveBreakerSettings): Required<ConsecutiveBreakerSettings>;
/**
 * The `ConsecutiveBreaker` breaks after n requests in a row fail.
 *
 * IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/policies"`
 * @group Policies
 */
export declare class ConsecutiveBreaker implements ICircuitBreakerPolicy<ConsecutiveBreakerState> {
    private readonly failureThreshold;
    private readonly successThreshold;
    constructor(settings?: ConsecutiveBreakerSettings);
    initialMetrics(): ConsecutiveBreakerState;
    whenClosed(currentMetrics: ConsecutiveBreakerState, _currentDate: Date): ClosedTransitions;
    whenHalfOpened(currentMetrics: ConsecutiveBreakerState, _currentDate: Date): HalfOpenTransitions;
    trackFailure(currentState: CircuitBreakerTrackState<ConsecutiveBreakerState>, _settings: CircuitBreakerTrackSettings<ConsecutiveBreakerState>): ConsecutiveBreakerState;
    trackSuccess(currentState: CircuitBreakerTrackState<ConsecutiveBreakerState>, settings: CircuitBreakerTrackSettings<ConsecutiveBreakerState>): ConsecutiveBreakerState;
    isEqual(metricsA: ConsecutiveBreakerState, metricsB: ConsecutiveBreakerState): boolean;
}