/**
 * @module indicative-rules
 */
/**
 * Returns a boolean telling if an array is sorted in ascending
 * order.
 *
 * @example
 * ```js
 * const { is } = require('indicative')
 *
 * is.sorted([1, 2, 3, 4, 5, 6]) // true
 * is.sorted([1, 2, 4, 3, 5, 6]) // false
 * ```
 */
export declare const subset: (input: any[], superset: any[]) => boolean;