export declare function cloneElement(node: HTMLElement): HTMLElement;
export interface ClientRect {
    top: number;
    right: number;
    bottom: number;
    left: number;
    width: number;
    height: number;
    x: number;
    y: number;
}
export declare function getClientRect(ele: Element): ClientRect;
export declare function adjustClientRect(clientRect: Omit<ClientRect, 'x' | 'y'>, top: number, left: number): void;
/**
 * 判断是否接近这个容器
 * @param rect
 * @param threshold
 * @param pointerX
 * @param pointerY
 * @returns
 */
export declare function isPointerNearClientRect(rect: ClientRect, threshold: number, pointerX: number, pointerY: number): boolean;
/**
 * 判断是否在指定容器内
 * @param clientRect
 * @param x
 * @param y
 * @returns
 */
export declare function isInsideClientRect(clientRect: ClientRect, x: number, y: number): boolean;
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