import { PurgoOptions } from './types';
declare const BUILT_IN_PATTERNS: Record<string, RegExp>;
/**
 * Initialize the redaction engine with patterns and censor function
 */
export declare function initRedactionEngine(options?: PurgoOptions): void;
/**
 * Redact values in an object, preserving structure
 */
export declare function redact<T>(value: T, seen?: WeakSet<object>): T;
export { BUILT_IN_PATTERNS };