import { ApolloServer, Config, GraphQLOptions } from "apollo-server-express";
export declare class ExtendedApolloServer extends ApolloServer {
    private readonly _schemaCb?;
    private readonly _derivedData;
    constructor({ schemaCallback, ...rest }: Config & {
        schemaCallback?: ExtendedApolloServer["_schemaCb"];
    });
    createGraphQLServerOptions(...args: Parameters<ApolloServer["createGraphQLServerOptions"]>): Promise<GraphQLOptions>;
}