constructor( borderRadiuses, sideProperties ) {

		/**
		 *
		 * @type {Vector4}
		 * @private
		 */
		this._borderRadiuses = borderRadiuses;

		/**
		 *
		 * @type {Array<string>}
		 * @private
		 */
		this._sideProperties = sideProperties;

		/**
		 *
		 * @type {BorderRadiusMediator|null}
		 * @private
		 */
		this._complementaryMediation = null;

		/**
		 *
		 * @type {number}
		 * @private
		 */
		this._value = 0;
	}
@param {Vector4} borderRadiuses
@param {Array.<string>} sideProperties