/**
 * concat an array of arrays
 * excluding any elements of the top level array
 * that are not actually arrays
 * @param arrays An array of arrays
 * @returns concatenated array
 * @private
 */
export declare const maybeConcat: (arrays: any[][]) => any[];
/**
 * Splits a single array into many arrays of a given max length.
 * E.g. splitArrayByLength(['a', 'b', 'c'], 2); // => [['a', 'b'], ['c']]
 * @param originalValues The original array of values
 * @param length The max length of the resulting arrays
 * @returns an array of arrays
 */
export declare function splitArrayByLength<T>(originalValues: T[], length: number): T[][];