/**
 * Telegram DNS fallback — bypass DNS pollution without proxy.
 *
 * Strategy (same as Hermes Agent):
 * 1. Try direct connection to api.telegram.org
 * 2. If DNS poisoned → query Google DoH / Cloudflare DoH for real IPs
 * 3. Connect directly to IP with correct TLS SNI (curl --resolve equivalent)
 * 4. Last resort: hardcoded seed IP 149.154.167.220
 * 5. Sticky: once an IP works, keep using it
 */
/**
 * Fetch from Telegram API with DNS fallback.
 * Tries direct first, then falls back to IP-based connections.
 */
export declare function telegramFetch(path: string, init?: RequestInit): Promise<Response>;
/**
 * Reset sticky IP and discovered IPs (for testing or reconnect).
 */
export declare function resetTelegramFallback(): void;
/**
 * Get current sticky IP (for diagnostics).
 */
export declare function getStickyIp(): string | undefined;
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