/**
 * Pre-compiled, frozen regex patterns for PII detection.
 *
 * These are compiled ONCE at module load,
 * not on every detection call. Critical for high-throughput scenarios.
 */
export declare const PATTERNS: {
    readonly EMAIL: RegExp;
    readonly PHONE: RegExp;
    readonly CARD: RegExp;
    readonly IPV4: RegExp;
    readonly IPV6: RegExp;
    readonly JWT: RegExp;
    readonly URL: RegExp;
    readonly ADDRESS_START: RegExp;
    readonly ADDRESS_SUFFIX: RegExp;
    readonly NAME_CHARS: RegExp;
    readonly SENSITIVE_KEYS: RegExp;
};
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