import { OnModuleInit } from '@nestjs/common';
import { HttpAdapterHost } from '@nestjs/core';
import { TrpcModuleOptions } from './interfaces';
import { TrpcRouter } from './trpc-router';
/**
 * Registers the tRPC HTTP handler on the underlying HTTP adapter.
 *
 * Supports both Express and Fastify via the generic Fetch adapter,
 * falling back to a manual middleware when needed.
 */
export declare class TrpcHttpAdapter implements OnModuleInit {
    private readonly httpAdapterHost;
    private readonly trpcRouter;
    private readonly options;
    private readonly logger;
    constructor(httpAdapterHost: HttpAdapterHost, trpcRouter: TrpcRouter, options: TrpcModuleOptions);
    onModuleInit(): void;
    private sendFetchResponse;
    private createFetchRequest;
    private resolveBody;
    private serializeBody;
    private setHeader;
    private sendBody;
    private endResponse;
    private isStreamingResponse;
    private pipeWebStreamToResponse;
}