var DOMRectReadOnly = (function () {
    function DOMRectReadOnly(x, y, width, height) {
        this.x = x;
        this.y = y;
        this.width = width;
        this.height = height;
        this.top = this.y;
        this.left = this.x;
        this.bottom = this.top + this.height;
        this.right = this.left + this.width;
        return Object.freeze(this);
    }
    DOMRectReadOnly.prototype.toJSON = function () {
        var _a = this, x = _a.x, y = _a.y, top = _a.top, right = _a.right, bottom = _a.bottom, left = _a.left, width = _a.width, height = _a.height;
        return { x: x, y: y, top: top, right: right, bottom: bottom, left: left, width: width, height: height };
    };
    DOMRectReadOnly.fromRect = function (rectangle) {
        return new DOMRectReadOnly(rectangle.x, rectangle.y, rectangle.width, rectangle.height);
    };
    return DOMRectReadOnly;
}());
export { DOMRectReadOnly };