/**
 * TODO WIP
 * refactor:
 * 1. typescript-class-helpers
 * 2. ng2-rest
 * 3. ng2-logger
 */
declare class GlobalStorageClass {
    private static instance;
    private store;
    private constructor();
    static getInstance(): GlobalStorageClass;
    set<T>(path: string, value: T): void;
    get<T>(path: string): T | undefined;
    update<T>(path: string, updater: (prev: T | undefined) => T): T;
}
export declare const GlobalStorage: GlobalStorageClass;
export {};