export declare const ALLOWED_HTML_ATTRIBUTES: string[];
export declare const ALLOWED_HTML_TAGS: string[];
/**
 * Constants and utility functions that help in HTML, CSS and DOM manipulation
 */
export declare function sanitizeHtml(dirtyHtml: string): string;
/**
 * 检查第一个字符串是否以第二个字符串为前缀（不区分大小写）
 * @param first 要检查的字符串
 * @param second 前缀字符串
 * @returns 如果first以second开头则返回true，否则返回false
 */
export declare const prefixMatch: (first: string, second: string) => boolean;
/**
 * 计算多个字符串的最长公共前缀
 * @param strings 要计算公共前缀的字符串数组
 * @returns 所有字符串的最长公共前缀，如果没有公共前缀则返回空字符串
 * @example
 * longestCommonPrefix("hello", "help", "helicopter") // 返回 "he"
 * longestCommonPrefix("apple", "banana", "cherry") // 返回 ""
 */
export declare function longestCommonPrefix(...strings: string[]): string;