import { NgtxGlobalConfig, SpyFactoryFn } from './types';
export declare const NGTX_GLOBAL_CONFIG: NgtxGlobalConfig;
/**
 * Configures ngtx to use the specified spyFactory as default whenever a declarative test needs to
 * create a spy.
 * @param spyFactory The spy factory to automatically use when spies are needed in declarative tests.
 */
export declare function setDefaultSpyFactory(spyFactory: SpyFactoryFn): void;