export declare function groupByStatus<T>(results: PromiseSettledResult<T>[]): {
    fulfilled: PromiseFulfilledResult<T>[];
    rejected: PromiseRejectedResult[];
};
export declare function asyncSequential<TInput, TOutput>(items: TInput[], work: (item: TInput, index: number) => Promise<TOutput>): Promise<TOutput[]>;
export declare function settlePromise<T>(promise: Promise<T>): Promise<PromiseSettledResult<T>>;