export declare const omit: <TR>(ks: string[], original: object) => {};
declare type RetryCallback = () => Promise<any>;
export declare const generateRID: () => string | 0;
/**
 *
 * @param fn Request to execute
 * @param key ${merchantId}_${widgetId} for session storage
 * @returns
 */
export declare const requestHandler: (fn: RetryCallback, key: any) => Promise<unknown>;
export {};