/*!
 * Copyright (c) 2025-present, Vanilagy and contributors
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */
/**
 * A read-only rectangle.
 *
 * Corresponds to the DOM DOMRectReadOnly API.
 */
export declare class DOMRectReadOnlyPolyfill {
    /**
     * The x-coordinate of the rectangle.
     */
    readonly x: number;
    /**
     * The y-coordinate of the rectangle.
     */
    readonly y: number;
    /**
     * The width of the rectangle.
     */
    readonly width: number;
    /**
     * The height of the rectangle.
     */
    readonly height: number;
    /**
     * Creates a new DOMRectReadOnly.
     */
    constructor(x?: number, y?: number, width?: number, height?: number);
    /**
     * The top edge of the rectangle.
     */
    get top(): number;
    /**
     * The right edge of the rectangle.
     */
    get right(): number;
    /**
     * The bottom edge of the rectangle.
     */
    get bottom(): number;
    /**
     * The left edge of the rectangle.
     */
    get left(): number;
    /**
     * Creates a DOMRectReadOnly from a DOMRectInit.
     */
    static fromRect(other?: DOMRectInit): DOMRectReadOnlyPolyfill;
    /**
     * Serializes the rectangle to a JSON object.
     */
    toJSON(): {
        x: number;
        y: number;
        width: number;
        height: number;
        top: number;
        right: number;
        bottom: number;
        left: number;
    };
}