import { MonoTypeOperatorFunction, Scheduler } from 'rxjs';
export interface HttpRetryWithBackoff {
    retries: number;
    delayCalculator: (attempt: number) => number;
    scheduler: Scheduler | any;
}
export declare const httpRetryer: <T>({ retries, delayCalculator, scheduler, }: Partial<HttpRetryWithBackoff>) => MonoTypeOperatorFunction<T>;