import type { UploaderCreateOptions, QueueState, BatchItem, ItemsSendData } from '../types';
type ItemsRetriever<T> = (subject: T) => BatchItem[];
type SubjectRetriever<T> = (subject: T, options: UploaderCreateOptions) => T[];
type ItemsPreparer<T> = (queue: QueueState, subject: T) => Promise<ItemsSendData>;
type ResponseValidator = (updated: any) => void;
declare const getItemsPrepareUpdater: <T>(eventType: string, retrieveItemsFromSubject: ItemsRetriever<T>, createEventSubject?: SubjectRetriever<T>, validateResponse?: ResponseValidator) => ItemsPreparer<T>;
export { getItemsPrepareUpdater };
//# sourceMappingURL=preSendPrepare.d.ts.map