/**
 * Copyright 2025 Chris Bunting <cbuntingde@gmail.com>
 *
 * Circuit Breaker Pattern - Prevents cascading failures
 */
declare enum CircuitState {
    CLOSED = "CLOSED",// Normal operation
    OPEN = "OPEN",// Failing, reject requests
    HALF_OPEN = "HALF_OPEN"
}
interface CircuitBreakerOptions {
    failureThreshold?: number;
    timeout?: number;
    resetTimeout?: number;
}
declare class CircuitBreaker {
    private state;
    private failureCount;
    private successCount;
    private lastFailureTime;
    private readonly failureThreshold;
    private readonly resetTimeout;
    private readonly timeout;
    constructor(options?: CircuitBreakerOptions);
    /**
     * Execute a function with circuit breaker protection
     */
    execute<T>(fn: () => Promise<T>): Promise<T>;
    private onSuccess;
    private onFailure;
    /**
     * Get current state
     */
    getState(): CircuitState;
    /**
     * Reset circuit breaker
     */
    reset(): void;
}
export declare const circuitBreaker: CircuitBreaker;
export {};
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