import { INestApplication } from '@nestjs/common';
export declare class AppUtil {
    static initialize(app: INestApplication): Promise<{
        port: number;
        host: string;
        address: string;
    }>;
    private static resolveRestControllerOperations;
    private static resolveGraphqlResolverOperations;
    private static resolveResourceEndpoints;
    private static upgradeGraphQLSchemaBuilder;
}