export interface WebhookOptions {
    /** shared secret echoed in `x-telegram-bot-api-secret-token`. mismatched/missing requests get 401 when set */
    secretToken?: string;
    /**
     * webhook-reply optimization (default on) — api calls returning `true` (chat
     * actions, reactions, deletions, …) ride the 200 body, saving a round-trip.
     * data-returning methods (sendMessage, getChat, …) still round-trip. invisible
     * to userland: `await tg.api.X(...)` resolves the same either way.
     * disable only when proxies/firewalls strip non-empty 200 bodies
     */
    webhookReply?: boolean;
    /**
     * max wait between request arrival and the 200 response. dispatch keeps
     * running after — awaited by `tg.shutdown()`. default 25_000ms sits under
     * telegram's ~60s retry threshold. only active with `webhookReply`
     */
    timeoutMilliseconds?: number;
    /**
     * `nodeAdapter` body-size cap; requests over the limit return 413. default
     * 1MB (telegram updates are typically <100KB). other adapters use their
     * framework's own limits
     */
    maxBodyBytes?: number;
}
export interface ResolvedWebhookOptions {
    secretToken: string | undefined;
    webhookReply: boolean;
    timeoutMilliseconds: number;
    maxBodyBytes: number;
}
export declare const DEFAULT_MAX_BODY_BYTES = 1048576;
export declare const DEFAULT_TIMEOUT_MS = 25000;
export declare function resolveWebhookOptions(input?: WebhookOptions): {
    secretToken: string | undefined;
    webhookReply: boolean;
    timeoutMilliseconds: number;
    maxBodyBytes: number;
};
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