import type { WebhookHandler } from '../handler.js';
interface FastifyRequestLike {
    method: string;
    headers: Record<string, string | string[] | undefined>;
    body?: unknown;
}
interface FastifyReplyLike {
    code: (status: number) => FastifyReplyLike;
    header: (name: string, value: string) => FastifyReplyLike;
    send: (body?: string) => unknown;
}
export type FastifyHandler = (req: FastifyRequestLike, reply: FastifyReplyLike) => Promise<void>;
/**
 * fastify auto-parses json bodies. `fastify.post('/webhook', fastifyAdapter(tg.webhookHandler()))`
 */
export declare function fastifyAdapter(handler: WebhookHandler): FastifyHandler;
export {};
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