export declare namespace Helpers {
    type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
    type PartialBy<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>>;
    interface IRPCError {
        code: number;
        message: string;
        data?: string;
    }
    function isSecure(): boolean;
    function extend(target: object, source: object): void;
    function getCircularReplacer(): (key: any, value: any) => any;
    function ensureArray(value: any): any[];
    function toString(id: any): string;
}