/**
 * Formatting helpers for `BookEditorMonaco`.
 *
 * @private function of BookEditorMonaco
 */
export declare const BookEditorMonacoFormatting: {
    getUploadPlaceholderText: (fileName: string) => string;
    formatBytes: (bytes: number) => string;
    formatDuration: (durationMs: number) => string;
};
