export declare const getUuid: () => string;
/**
 *
 * @param clientX 鼠标的左偏移
 * @param dom 目标dom
 * @returns   相对于此dom的左侧偏移及dom的width
 */
export declare const getDomSize: (clientX: number, dom: HTMLElement) => {
    left: number;
    width: number;
} | {
    left: number;
    width: number;
    obj: {
        left: number;
        width: number;
    };
};
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