import { UserData } from './user-data';
/**
 * Waits for the specified amount of time before resolving the returned promise.
 *
 * @param timeout - The duration in milliseconds to wait before resolving.
 * @returns A promise that resolves after the specified time has elapsed.
 * @internal
 */
export declare function wait(timeout: number): Promise<void>;
/**
 * Generates a unique identifier for a dashboard.
 *
 * @returns The generated dashboard identifier.
 */
export declare function generateDashboardId(): string;
/**
 * Checks if the user data is up-to-date with the current version of the application.
 * @param userData - the user data to compare with the application version
 * @param currentVersion - the current version of the application
 */
export declare function isUserDataUpToDate(userData: UserData | undefined, currentVersion: string): boolean;
/**
 * Loads the contents of a specified file.
 *
 * @param file - The file object to load contents from.
 * @param encoding - The encoding to use while reading the file. Default is UTF-8.
 *
 * @returns - A Promise that resolves with the contents of the file as a string.
 *          - If the file is empty, the Promise will be rejected with an error.
 */
export declare function loadFileContents(file: File, encoding?: string): Promise<string>;