DOMRectReadOnly
interface DOMRectReadOnly {
readonly bottom: number;
readonly height: number;
readonly left: number;
readonly right: number;
readonly top: number;
readonly width: number;
readonly x: number;
readonly y: number;
toJSON(): any;
}var DOMRectReadOnly: {
prototype: DOMRectReadOnly;
new (
x?: number,
y?: number,
width?: number,
height?: number,
): DOMRectReadOnly; fromRect(other?: DOMRectInit): DOMRectReadOnly;
};