/** @module math */
/**
 * Checks if value is inside a range.
 *
 * @param value - Value to check.
 * @param min - Range minimum boundary.
 * @param max - Range maximum boundary.
 * @param threshold - Optional threshold value.
 *
 * @returns {boolean}
 */
export declare function inRange(value: number, min: number, max: number, threshold?: number): boolean;