constructor(minX, maxX, minY, maxY) {
    /**
     * @type {number}
     */
    this.minX = minX;

    /**
     * @type {number}
     */
    this.maxX = maxX;

    /**
     * @type {number}
     */
    this.minY = minY;

    /**
     * @type {number}
     */
    this.maxY = maxY;
  }
@param {number} minX Minimum X.
@param {number} maxX Maximum X.
@param {number} minY Minimum Y.
@param {number} maxY Maximum Y.