declare const FromArray: {
    /**
     * Returns one or more random elements from an array.
     * @param arr Input array.
     * @param noOfResult Number of results to return (default 1).
     * @param returnIndex Return index positions instead of values.
     */
    getRandom<T>(arr: T[], noOfResult?: number, returnIndex?: boolean): T[] | number[];
    /**
     * Find and return the largest N numbers.
     * @param numbers Array of numbers.
     * @param n Number of results to return (default 1).
     * @param returnIndex Return indices instead of values.
     */
    getLargest(numbers: number[], n?: number, returnIndex?: boolean): number[];
    /**
     * Find and return the smallest N numbers.
     * @param numbers Array of numbers.
     * @param n Number of results to return (default 1).
     * @param returnIndex Return indices instead of values.
     */
    getSmallest(numbers: number[], n?: number, returnIndex?: boolean): number[];
    /**
     * Return the intersection of two arrays.
     * @param arrA Array A.
     * @param arrB Array B.
     * @param duplicated Include duplicate matches.
     */
    getIntersect<T>(arrA: T[], arrB: T[], duplicated?: boolean): T[];
    /**
     * Randomly shuffle an array in-place (Fisher-Yates).
     * @param arr Array to shuffle.
     */
    shuffle<T>(arr: T[]): T[];
    /**
     * The Thanos snap — removes roughly half the elements randomly.
     * Mutates the original array.
     * @param arr Input array.
     */
    thanosSnap<T>(arr: T[]): T[];
    /**
     * Convert a 2D array ([[key, value], ...]) into an object.
     * @param arr Input 2D array.
     */
    toObject<V>(arr: [string | number, V][]): Record<string | number, V>;
    /**
     * Split an array into groups by ratio.
     * ex) [1,2,3,4] split [1,3] → {1:[1], 2:[2,3,4]}
     * Remainder goes into "extra" if it doesn't fit.
     * @param arr Array to split.
     * @param ratio Ratio to split into.
     */
    splitInto<T>(arr: T[], ratio: number[]): Record<string, T[]>;
    /**
     * Log array elements to console, optionally limited to a range.
     * @param arr Array to log.
     * @param from Starting index (inclusive), default 0.
     * @param to Ending index (exclusive), default arr.length.
     */
    log<T>(arr: T[], from?: number, to?: number): void;
};

export { FromArray };