/**
 * Generic shape of injected value provider that can be served as a singleton
 */
import { InjectedValueProvider } from "./InjectedValueProvider";
export declare abstract class InjectedSingletonValueProvider<T = any> extends InjectedValueProvider<T> {
    private _isSingleton;
    /**
     * Defines if single value will be provided for each consecutive request or new value will be spawned each time.
     */
    get isSingleton(): boolean;
    /**
     * Set value provider to act as a singleton.
     */
    asSingleton(): void;
}