import { InjectionToken } from '@angular/core';
export declare const INITIAL_ROOT_STATE: InjectionToken<unknown>;
export declare const FEATURE_KEYS: InjectionToken<unknown>;
export declare const INITIAL_FEATURE_STATES: InjectionToken<unknown>;
export declare const DEV_MODE: InjectionToken<unknown>;
export declare const OBJECTS_WITH_EFFECTS: InjectionToken<unknown>;