import { MessageBusTopicMediator } from "@omnia/fx";
import { IVersionPropertyBag } from "../models";
export declare class VersionPropertyBag implements IVersionPropertyBag {
    private _bagData;
    onPropertyUpdated: MessageBusTopicMediator<{
        key: string;
        value: any;
    }>;
    constructor(_bagData: {
        [key: string]: any;
    });
    getValue: <T extends unknown>(key: string) => T;
    setValue: (key: string, value: any) => void;
    getOrSetInitialValue: <T extends unknown>(key: string, initialValueFactory: () => T) => T;
    get keys(): Array<string>;
}