import { INestApplication, HttpServer } from '@nestjs/common';
import { FastifyBodyParser, FastifyInstance, FastifyPluginAsync, FastifyPluginCallback, FastifyPluginOptions, FastifyRegisterOptions, FastifyRequest, FastifyReply, RawServerBase, RawServerDefault } from 'fastify';
import { Chain as LightMyRequestChain, InjectOptions, Response as LightMyRequestResponse } from 'light-my-request';
import { FastifyStaticOptions, FastifyViewOptions } from './external';
import { NestFastifyBodyParserOptions } from './nest-fastify-body-parser-options.interface';
/**
 * @publicApi
 */
export interface NestFastifyApplication<TServer extends RawServerBase = RawServerDefault> extends INestApplication<TServer> {
    /**
     * Returns the underlying HTTP adapter bounded to a Fastify app.
     *
     * @returns {HttpServer}
     */
    getHttpAdapter(): HttpServer<FastifyRequest, FastifyReply, FastifyInstance>;
    /**
     * A wrapper function around native `fastify.register()` method.
     * Example `app.register(require('@fastify/formbody'))
     * @returns {Promise<FastifyInstance>}
     */
    register<Options extends FastifyPluginOptions = any>(plugin: FastifyPluginCallback<Options> | FastifyPluginAsync<Options> | Promise<{
        default: FastifyPluginCallback<Options>;
    }> | Promise<{
        default: FastifyPluginAsync<Options>;
    }>, opts?: FastifyRegisterOptions<Options>): Promise<FastifyInstance>;
    /**
     * Register Fastify body parsers on the fly. Will respect
     * the application's `rawBody` option.
     *
     * @example
     * const app = await NestFactory.create<NestFastifyApplication>(
     *   AppModule,
     *   new FastifyAdapter(),
     *   { rawBody: true }
     * );
     * // enable the json parser with a parser limit of 50mb
     * app.useBodyParser('application/json', { bodyLimit: 50 * 1000 * 1024 });
     *
     * @returns {this}
     */
    useBodyParser<TServer extends RawServerBase = RawServerBase>(type: string | string[] | RegExp, options?: NestFastifyBodyParserOptions, parser?: FastifyBodyParser<Buffer, TServer>): this;
    /**
     * Sets a base directory for public assets.
     * Example `app.useStaticAssets({ root: 'public' })`
     * @returns {this}
     */
    useStaticAssets(options: FastifyStaticOptions): this;
    /**
     * Sets a view engine for templates (views), for example: `pug`, `handlebars`, or `ejs`.
     *
     * Don't pass in a string. The string type in the argument is for compatibility reason and will cause an exception.
     * @returns {this}
     */
    setViewEngine(options: FastifyViewOptions | string): this;
    /**
     * A wrapper function around native `fastify.inject()` method.
     * @returns {void}
     */
    inject(): LightMyRequestChain;
    inject(opts: InjectOptions | string): Promise<LightMyRequestResponse>;
    /**
     * Starts the application.
     * @returns A Promise that, when resolved, is a reference to the underlying HttpServer.
     */
    listen(port: number | string, callback?: (err: Error, address: string) => void): Promise<TServer>;
    listen(port: number | string, address: string, callback?: (err: Error, address: string) => void): Promise<TServer>;
    listen(port: number | string, address: string, backlog: number, callback?: (err: Error, address: string) => void): Promise<TServer>;
}