import { SentinelConfig } from '../types';
/**
 * Cloudflare Worker / Vercel Edge Adapter Options
 */
export interface EdgeAdapterOptions extends SentinelConfig {
    /**
     * KV Namespace (for Cloudflare) or reference to Edge Config (for Vercel)
     */
    cache?: {
        get: (key: string) => Promise<string | null>;
        put: (key: string, value: string, options?: {
            expirationTtl: number;
        }) => Promise<void>;
    };
    /**
     * Cache TTL in seconds (default: 300 / 5 minutes)
     */
    cacheTtl?: number;
}
/**
 * Sentinel Edge Adapter (Cloudflare Workers / Vercel Edge Runtime)
 * Optimized for sub-5ms local enforcement using KV/Edge caches.
 */
export declare const sentinelEdge: (options: EdgeAdapterOptions) => (request: Request, context?: any) => Promise<import("undici-types").Response | null>;
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