import { UploadedFile } from "./UploadedFile";
import { FileLike } from "./FileLike";
import { UploadParams } from "./UploadParams";
import { UrlParams } from "./UrlParams";
export interface UploadInterface {
    /**
     * Call after a user has signed-in to your web app.
     *
     * Allows the user to perform authenticated uploads and/or downloads to the Bytescale CDN.
     *
     * You must await the promise before attempting to perform any uploads or downloads that require authentication.
     *
     * Method safety:
     * - IS idempotent: you may call this method multiple times, contiguously. (The previous auth session will be ended.)
     * - IS reentrant: can be called before another *AuthSession method has finished executing.
     *
     * @param authUrl The fully-qualified URL for your backend API's auth endpoint.
     * @param authHeaders Headers to send to your backend API.
     *                    IMPORTANT: do not call '*AuthSession' inside this callback, as this will cause a deadlock.
     */
    beginAuthSession: (authUrl: string, authHeaders: () => Promise<Record<string, string>>) => Promise<void>;
    /**
     * Call after the user signs-out of your web app.
     *
     * Method safety:
     * - IS idempotent: you may call this method multiple times, contiguously.
     * - IS reentrant: can be called before another *AuthSession method has finished executing
     */
    endAuthSession: () => Promise<void>;
    uploadFile: (file: FileLike, params?: UploadParams) => Promise<UploadedFile>;
    url: (filePath: string, transformationOrParams?: string | UrlParams) => string;
}