import { CheckParams, SentinelDecision } from '../types';
/**
 * HTTP client for communicating with Sentinel decision engine
 */
export declare class SentinelClient {
    private readonly endpoint;
    private readonly apiKey;
    private readonly timeout;
    private readonly debug;
    constructor(apiKey: string, endpoint?: string, timeout?: number, debug?: boolean);
    /**
     * Make a decision request to Sentinel API
     */
    check(params: CheckParams): Promise<SentinelDecision>;
    /**
     * Health check to verify Sentinel API is reachable
     */
    healthCheck(): Promise<boolean>;
}
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