import type { Server } from "node:http";
import { type Express } from "express";
export interface HttpServerOptions {
    port?: number;
    allowedOrigins?: string;
}
export interface HttpServerResult {
    app: Express;
    httpServer: Server;
    shutdown: () => Promise<void>;
}
/**
 * Whether a request body can reach the TomTom API. Anything that is not a
 * known keyless method or a notification, including a JSON-RPC response or an
 * empty batch, counts as needing the key.
 */
export declare function needsApiKey(body: unknown): boolean;
/**
 * Builds an RFC 9728 WWW-Authenticate Bearer challenge that points to the
 * MCP server's OAuth protected-resource metadata endpoint. Optional `error`
 * / `description` follow RFC 6750.
 */
export declare function buildWwwAuthenticate(resourceMetadataUrl: string, opts?: {
    error?: string;
    description?: string;
}): string;
/**
 * Creates and starts the HTTP server. Exported for integration testing.
 *
 * Each incoming request gets its own McpServer + transport pair, created on-the-fly.
 * This ensures full isolation between concurrent requests — no shared state, no locking.
 * createServer() is lightweight (in-memory tool registration, no network calls).
 */
export declare function createHttpServer(options?: HttpServerOptions): Promise<HttpServerResult>;
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