import type { EdgeNodeTunnelManager } from './interfaces/EdgeNodeTunnelManager';
interface SimpleEdgeNodeTunnelManagerOptions {
    /** 当直连失败时兜底的入口地址列表。 */
    entrypoints?: string | string[] | null;
    /** 是否默认启用隧道。 */
    enabled?: boolean;
}
export declare class SimpleEdgeNodeTunnelManager implements EdgeNodeTunnelManager {
    private readonly logger;
    private readonly entrypoints;
    private readonly enabled;
    constructor(options: SimpleEdgeNodeTunnelManagerOptions);
    ensureConnectivity(nodeId: string, metadata: Record<string, unknown>): Promise<Record<string, unknown> | undefined>;
    private selectEntrypoint;
    private hashString;
    private extractRecord;
    private isRedirectHealthy;
    private normalizeEntrypoints;
}
export declare class NoopEdgeNodeTunnelManager implements EdgeNodeTunnelManager {
    ensureConnectivity(): Promise<Record<string, unknown> | undefined>;
}
export {};