import { ReplaySubject } from 'rxjs';
import { FactoryProvider, InjectionToken, Type } from '@angular/core';
import { ISuperpower } from './i-superpower';
/** The type of observable used for storing and sharing superpower types in the system. */
export declare type ChargedSuperpowers = ReplaySubject<Type<ISuperpower>>;
/**
 * An injectable token to set and retrieve the subject for superpowers charged in the system.
 *
 * Superpower services should inherit `ISuperpower` and be decorated with `@Injectable({ providedIn: GoogleMapModule })`.
 */
export declare const Superpowers: InjectionToken<ChargedSuperpowers>;
/** The default subject used to notify of loaded superpowers. */
export declare const DefaultSuperpowersFactory: () => ReplaySubject<unknown>;
/**
 * Injected at root level and only holds the types of superpowers already loaded.
 * `SuperpowersChargerService` will feed the token with types of superpowers.
 * `SuperpowersService` will be instantiated for each map and consume the token to allow lazy loading of powers.
 */
export declare const SuperpowersProvider: FactoryProvider;