/**
 * Returns a promise that resolves after the specified number of milliseconds.
 * @param ms - The number of milliseconds to sleep.
 * @returns {Promise<void>} A promise that resolves after the specified time.
 */
export declare const sleep: (ms: number) => Promise<void>;
/**
 * Finds and parses the package.json file from the current directory.
 *
 * @returns {PackageJson} The parsed package.json object. If the file cannot be found or parsed,
 * returns a default object with name set to 'Unknown Project' and empty scripts.
 */
export declare const findPackageJson: () => PackageJson;
/**
 * Gracefully exits the script, stopping any detached server if running.
 *
 * - If a detached server is running, it attempts to kill the port specified in the configuration.
 * - If no detached server is running, it simply exits the script.
 */
export declare const gracefulExit: () => never;
/**
 * Handles errors by logging them and gracefully exiting the script.
 * - If the error is an ExitPromptError, it logs a cancellation message.
 * - If the error message indicates a prompt was closed, it logs a cancellation message.
 * - If the error message indicates a command was interrupted by the user, it exits gracefully.
 * - For all other errors, it logs the error message and stack trace, then exits gracefully.
 *
 * @param {Error} error - The error to handle.
 * @returns {void}
 */
export declare const handleError: (error: Error) => void;
/**
 * Retrieves all script entries from package.json and formats them as name-value pairs.
 * @returns An array of objects with name and value properties, both containing the script name.
 * Returns an empty array if no scripts are found.
 */
export declare const projectScripts: () => {
    name: string;
    value: string;
}[];