import type { RequestHandler } from "express";
import { type SafePublicUrl } from "./ssrf.js";
export { isBlockedIp, assertSafePublicHttpUrl, assertSafePublicHttpUrlPinned, type SafePublicUrl, } from "./ssrf.js";
/** Minimal HTML → Markdown for the paid demo (no heavy parser dependency). */
export declare function htmlToMarkdown(html: string): {
    markdown: string;
    title?: string;
};
export interface FetchMdHandlerOptions {
    /**
     * Override URL safety checks (tests may allow loopback fixture servers).
     * May return `URL` or `SafePublicUrl`.
     */
    assertSafeUrl?: (raw: string) => Promise<URL | SafePublicUrl>;
    fetchImpl?: typeof fetch;
    maxBytes?: number;
    timeoutMs?: number;
}
/**
 * Paid demo: GET /v1/fetch-md?url=… — runs after x402 middleware settles.
 * Fetches a public page and returns Markdown (SSRF-hardened: scheme allowlist,
 * private IP deny, DNS re-check before fetch, no redirects).
 */
export declare function createFetchMdHandler(options?: FetchMdHandlerOptions): RequestHandler;