import type { IncomingMessage, ServerResponse } from 'node:http';
export declare const BRIDGE_CALLER_GUIDE_PATH = "/api/bridge/caller-access";
/** Origin only. A path on the configured base is not part of the bridge root. */
export declare function parsePublicBase(raw: string | null | undefined): string | null;
/**
 * Public origin for this process.
 * Configured viewer base, then the request's public origin, then the
 * base the admin typed for this issuance. Loopback is not reliable.
 */
export declare function resolveBridgePublicBase(req: IncomingMessage, manual?: string | null): string | null;
export declare function bridgeCallerGuideFile(): string | null;
export declare function readBridgeCallerGuide(): string | null;
export declare function bridgeCallerGuideUrl(base: string): string;
/** One-time handoff. The contract stays on the public page. */
export declare function buildBridgeCallerPrompt(rawToken: string, baseUrl: string): string;
export declare function serveBridgeCallerGuide(res: ServerResponse): void;
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