import { IEntity } from '../typings';
/**
 * 获取随机的id
 * @param prefix id前缀
 */
export declare const getRandomId: (prefix?: string) => string;
/**
 * 获取元素到page左上角的像素值
 * @param element
 */
export declare const getRealOffsetTop: (element: Element) => any;
/**
 * 生成以length结尾的唯一名称
 * @param list
 * @param field
 * @param prefix
 */
export declare function generateUnRepeatValue<P, T>(list: P[], field: keyof P, prefix?: string): T;
/**
 * 根据datasetId筛选
 * @param list
 * @param datasetId
 */
export declare const filterByDatasetId: <P extends IEntity>(list: P[], datasetId?: string | null | undefined) => P[];
export declare const getFilterRange: (range: [number, number]) => [number, number];
export declare const downloadFile: (content: string, fileName?: string, isUrl?: boolean) => void;