import type React from 'react';
export declare function strToFunc(str: string): any;
export declare function parseExpress(str: string, params: any): any;
export declare const genColumnKey: (key?: React.ReactText | undefined, dataIndex?: undefined | string | number | readonly (string | number)[], index?: number | undefined) => string;
export declare const getPersistValue: (key: string | undefined, path: string) => any;
export declare const setPersistValue: (key: string | undefined, path: string, value: any) => void;