interface HandlerError {
    name: 'HANDLER_ERROR';
    cause: {
        name: 'UNKNOWN_BLOCK' | 'UNKNOWN_TRANSACTION';
    };
    code: number;
}
export declare const errorIsHandlerError: (error: unknown) => error is HandlerError;
declare type AnyFn = (...any: any[]) => any;
declare type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
declare type DelayFn = (retry: number) => number;
export declare function retry<Fn extends AnyFn>(fn: Fn, maxRetries: number, getDelay?: DelayFn): (...args: Parameters<Fn>) => Promise<Awaited<ReturnType<Fn>>>;
export {};
//# sourceMappingURL=utils.d.ts.map