import { ApolloServer } from 'apollo-server-express';
import { IResolversParameter } from 'graphql-tools';
import { GraphQLSchema } from 'graphql';
import { ApolloConfig } from '../../components/ConfigProvider';
import { PluginDefinition } from 'apollo-server-core';
export interface ForwardedHttpHeaders {
    [key: string]: string | string[];
}
export interface Context {
    headers: ForwardedHttpHeaders;
}
export interface SchemaExtensionOptions {
    remoteSchema: GraphQLSchema;
}
export interface SchemaExtensionResult {
    schema?: GraphQLSchema | string;
    resolvers?: IResolversParameter;
}
export type SchemaExtension = (opts: SchemaExtensionOptions) => PromiseLike<SchemaExtensionResult> | SchemaExtensionResult;
export type SchemaExtensions = SchemaExtension[];
export interface CreateApolloServerOptions {
    apolloConfig: ApolloConfig;
    extensions?: SchemaExtensions;
    plugins?: PluginDefinition[];
}
export default function createApolloServer({ apolloConfig, extensions, plugins }: CreateApolloServerOptions): Promise<{
    apolloServer: ApolloServer;
    schema: GraphQLSchema;
}>;