| 1234567891011121314151617181920212223242526272829303132 | // @flowclass DOMRectReadOnly {    +x: number;    +y: number;    +width: number;    +height: number;    +top: number;    +right: number;    +bottom: number;    +left: number;}class ResizeObserverEntry {    +target: Element;    +contentRect: DOMRectReadOnly;}type Entries = $ReadOnlyArray<ResizeObserverEntry>;type ResizeObserverCallback = {    (entries: Entries, observer: ResizeObserver): void};declare class ResizeObserver {    constructor(ResizeObserverCallback): ResizeObserver;    observe(target: Element): void;    unobserve(target: Element): void;    disconnect(): void;};declare export default typeof ResizeObserver;
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