/**
 * WordObfuscator — inserts zero-width characters into sensitive words so
 * that naive string-matching by upstream APIs cannot detect them.
 *
 * For example, "proxy" becomes "p\u200Broxy" (ZWS after the first character),
 * making the text visually identical to humans but different at the byte level.
 */
import type { CloakingPlugin } from "../../../types/index.js";
export declare function createWordObfuscator(customWords?: string[]): CloakingPlugin;