import { ApolloServer, type BaseContext } from '@apollo/server';
import { INestApplicationContext } from '@nestjs/common';
type GetApolloServer = (app: INestApplicationContext) => ApolloServer<BaseContext>;
/**
 * Returns the underlying ApolloServer instance for a given application.
 * @param app Nest application reference
 * @returns Apollo Server instance used by the host application
 */
export declare const getApolloServer: GetApolloServer;
export {};
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