import { Observable } from 'rxjs';
/**
 * Add a retry after a given delay (in milliseconds)
 * @param obs
 * @param options
 *
 * @returns the new observable stream with retry
 */
export declare function retryWithDelay(obs: Observable<any>, options: {
    /**
     * Retry delay in milliseconds
     */
    delay: number;
    /**
     * Number of retry (10 by default)
     */
    retryCount: number;
    /**
     * Error factory
     * Function called to create error that will be thrown when all retries have failed
     */
    errorFactory?: (options: {
        /**
         * Last error thrown
         */
        error: Error | any;
        delay: number;
        retryCount?: number;
    }) => Error | any;
}): Observable<any>;