import { InjectionToken, Type } from '@angular/core';
export declare const _ROOT_PUBSUBS_GUARD: InjectionToken<void>;
export declare const USER_PROVIDED_PUBSUBS: InjectionToken<Type<any>[][]>;
export declare const _ROOT_PUBSUBS: InjectionToken<Type<any>[]>;
export declare const ROOT_PUBSUBS: InjectionToken<Type<any>[]>;
export declare const _FEATURE_PUBSUBS: InjectionToken<Type<any>[]>;
export declare const FEATURE_PUBSUBS: InjectionToken<any[][]>;
export declare const METADATA_KEY = "__@fsms/pubsub__";