import type { Request, Response } from 'express';
import type { GraphQLParams, ProvidedOptions } from './interfaces.js';
export * from './interfaces.js';
/**
 * Middleware for express; takes an options object or function as input to
 * configure behavior, and returns an express middleware.
 */
export declare function graphqlHTTP(options: ProvidedOptions): (request: Request, response: Response) => Promise<void>;
/**
 * Provided a "Request" provided by express, Promise the GraphQL request parameters.
 */
export declare function getGraphQLParams(request: Request): Promise<GraphQLParams>;