export declare const createPrefixCls: (suffixCls: string) => (specCls?: string | undefined) => string;
/**
 * 转化像素值
 */
export declare const transformPx: (px: number | string) => string | number;
/**
 * 首字母大写
 * @param text 字符
 */
export declare const textCase: (text: string) => string;
export declare const substring: (text: string, length: number) => string;