/**
 * 首字母大写
 * @param str
 */
export declare const capitalize: (str: string) => string | undefined;
/**
 * 格式化参数
 * @param formatter
 * @param val
 */
export declare const formatWrapper: (val: number | string, formatter?: ((value: number | string) => string) | undefined) => string | number;
/**
 * 获取随机id
 */
export declare const randomUuid: () => string;
export declare const dataURLtoBlob: (dataurl: string, onlyData?: boolean | undefined) => Uint8Array | Blob | undefined;
export declare const getStringFromHtml: (htmlStr: string) => string;
/**
 * 获取字符串有效数值
 * @param value string
 */
export declare const getNumber: (value: string) => string;
/**
 * 得到微信vcode
 */
export declare const getWxVcode: () => string;
/**
 * 驼峰转下划线
 * @param exp 名称
 */
export declare const humpToUnderLine: (exp: string) => string;
/**
 * 下划线转驼峰
 * @param exp 名称
 */
export declare const underLineToHump: (exp: string) => string;