/**
 * Seeded shuffles (#1225): the order an exercise prints its options, pairs
 * or items in is drawn from the book's `exercises.seed`, the exercise's
 * ordinal and what is shuffled, so print, HTML, EPUB and the key agree, and
 * a rebuild lays the same page.
 */
/** A generator of numbers in [0, 1) (mulberry32). */
export declare function seededRandom(...parts: ReadonlyArray<string | number>): () => number;
/** The indices `0 … n − 1` shuffled. With `moveAll`, no index stays where it
 *  was when there are three or more (and two swap), so the printed order
 *  never gives the written one away. */
export declare function shuffledOrder(n: number, random: () => number, moveAll?: boolean): number[];
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