import { Observable } from "./Observable";
import { IDestroyable } from "./interfaces";
declare type Handler<T> = (x: T) => void;
export declare class ObservableValue<T> extends Observable<T> {
    private _value;
    constructor(initial: T);
    getValue(): T;
    setValue(value: T): void;
    on(next: Handler<T>, error?: Handler<any>, complete?: () => void): IDestroyable;
}
export {};