import { DownloadFormat } from "./download-format";
import { DownloadTarget } from "./download-target";
import { DownloadStatuses } from "./download-status";
import type { ArcGISIdentityManager } from "@esri/arcgis-rest-request";
export interface IDownloadMetadataRequestParams {
    target?: DownloadTarget;
    host: string;
    datasetId: string;
    format: DownloadFormat;
    spatialRefId?: string;
    geometry?: string;
    where?: string;
    authentication?: ArcGISIdentityManager;
}
export interface IDownloadMetadataResults {
    downloadId: string;
    status: DownloadStatuses;
    errors?: Error[];
    lastEditDate?: string;
    contentLastModified?: string;
    lastModified?: string;
    downloadUrl?: string;
    contentLength?: number;
    cacheTime?: number;
}
/**
 * ```js
 * import { requestDownloadMetadata } from "@esri/hub-downloads";
 * const params = {
 *   host: 'https://opendata.arcgis.com,
 *   datasetId: 'abcdef0123456789abcdef0123456789_0',
 *   format: 'CSV',
 *   target: 'hub'
 * };
 * requestDownloadMetadata(params)
 *   .then(response => {
 *     // {
 *     //   downloadId: 'abcdef0123456789abcdef0123456789_0::csv',
 *     //   contentLastModified: '2020-06-17T01:16:01.933Z',
 *     //   lastEditDate: '2020-06-18T01:17:31.492Z',
 *     //   lastModified: '2020-06-17T13:04:28.000Z',
 *     //   status: 'stale',
 *     //   downloadUrl: 'https://dev-hub-indexer.s3.amazonaws.com/files/dd4580c810204019a7b8eb3e0b329dd6/0/full/4326/dd4580c810204019a7b8eb3e0b329dd6_0_full_4326.csv',
 *     //   contentLength: 1391454,
 *     //   cacheTime: 13121
 *     // }
 *   });
 * ```
 * Fetch metadata for a Hub download.
 * @param {IDownloadMetadataRequestParams} params
 * @returns {Promise<ISearchResult>}
 */
export declare function requestDownloadMetadata(params: IDownloadMetadataRequestParams): Promise<IDownloadMetadataResults>;