import type { string_book } from './string_book';
/**
 * Number of padding lines to add at the end of the book content
 *
 * @public exported from `@promptbook/core`
 */
export declare const PADDING_LINES = 11;
/**
 * A function that adds padding to the book content
 *
 * Note: [🔂] This function is idempotent.
 *
 * @public exported from `@promptbook/core`
 */
export declare function padBook(content: string_book): string_book;