/**
 * A {@link Specification} that passes when the absolute difference between the
 * first item and second items in an array is less than or equal to a tolerance
 * value.
 *
 * @public
 * @extends {Specification}
 */
export default class Within extends Specification {
    /**
     * @param {number} tolerance
     */
    constructor(tolerance: number);
    /**
     * @protected
     * @override
     * @param {*} data
     * @returns {boolean}
     */
    protected override _evaluate(data: any): boolean;
    #private;
}
import Specification from './../Specification.js';