export declare function uniqueArray(currentData: any, newData: any, comparator: any): any[];
export declare function uniqObjArrByKey(currentData: any, key: any): any;
export declare const timeoutAsync: (timeout: any) => Promise<unknown>;
export declare const timeoutAsyncRej: (timeout: any) => Promise<unknown>;
export declare function uuidv4(): string;
export declare function uid(): string;
export declare class SimpleEventHandler {
    handler: any;
    constructor();
    addEventListener(evtName: any, fn: any): {
        unwatch: () => void;
    };
    notify(name: any, value: any): void;
}
export declare function extractJSON(str: any): any;
export declare function extractJSONV2(str: string): any;