/**
 * @module CircuitBreaker
 */
import { type ICircuitBreaker } from "../../circuit-breaker/contracts/circuit-breaker.contract.js";
import { type CircuitBreakerEventMap } from "../../circuit-breaker/contracts/circuit-breaker.events.js";
import { type IEventListenable } from "../../event-bus/contracts/_module.js";
import { type ITimeSpan } from "../../time-span/contracts/time-span.contract.js";
import { type ErrorPolicySettings } from "../../utilities/_module.js";
/**
 *
 * IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/contracts"`
 * @group Contracts
 */
export declare const CIRCUIT_BREAKER_TRIGGER: {
    readonly ONLY_ERROR: "ONLY_ERROR";
    readonly ONLY_SLOW_CALL: "ONLY_SLOW_CALL";
    readonly BOTH: "BOTH";
};
/**
 *
 * IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/contracts"`
 * @group Contracts
 */
export type CircuitBreakerTrigger = (typeof CIRCUIT_BREAKER_TRIGGER)[keyof typeof CIRCUIT_BREAKER_TRIGGER];
/**
 *
 * IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/contracts"`
 * @group Contracts
 */
export type CircuitBreakerProviderCreateSettings = ErrorPolicySettings & {
    /**
     * You can decide to track only errors, only slow calls or both as failures.
     */
    trigger?: CircuitBreakerTrigger;
    /**
     * You can set slow call threshold.
     */
    slowCallTime?: ITimeSpan;
};
/**
 *
 * IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/contracts"`
 * @group Contracts
 */
export type ICircuitBreakerProviderBase = {
    /**
     * The `create` method is used to create an instance of {@link ICircuitBreaker | `ICircuitBreaker`}.
     */
    create(key: string, settings?: CircuitBreakerProviderCreateSettings): ICircuitBreaker;
};
/**
 * The `ICircuitBreakerListenable` contract defines a way for listening {@link ICircuitBreaker | `ICircuitBreaker`} operations and state transitions.
 *
 * IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/contracts"`
 * @group Contracts
 */
export type ICircuitBreakerListenable = IEventListenable<CircuitBreakerEventMap>;
/**
 *
 * IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/contracts"`
 * @group Contracts
 */
export type ICircuitBreakerProvider = ICircuitBreakerListenable & ICircuitBreakerProviderBase;