/**
 * Escapes a string so that it can safely be passed to the RegExp constructor.
 * @param text The string to be escaped
 * @return The escaped string
 */
export declare function escapeRegExp(text: string): string;
/**
 * Sanitizes a string to protect against tag injection.
 * @param xml The string to be escaped
 * @param forAttribute Whether to also escape ', ", and > in addition to < and &
 * @return The escaped string
 */
export declare function escapeXml(xml: string, forAttribute?: boolean): string;