/** Regex-based detectors for structured sensitive data. */
import { Category, DetectedEntity } from "../types.js";
import { BaseDetector } from "./base.js";
/** Check if a value is a well-known documentation/example/placeholder. */
export declare function isDocExample(value: string, category: Category): boolean;
/** Heuristic: return true for subnet masks and wildcard masks. */
export declare function isMask(ip: string): boolean;
/** A named regex pattern with its category. */
export interface PatternDef {
    name: string;
    pattern: RegExp;
    category: Category;
    confidence: number;
}
/** All built-in patterns. */
export declare const BUILTIN_PATTERNS: PatternDef[];
/** Override config for individual rules: disable or change confidence. */
export type DetectorOverrides = Record<string, {
    enabled?: boolean;
    confidence?: number;
}>;
/** Config-as-code rule definition (pattern as string, not RegExp). */
export type ConfigRule = {
    enabled?: boolean;
    pattern?: string;
    /** Extra regex flags beyond "g" (e.g. "i", "m", "im"). Always gets "g" automatically. */
    flags?: string;
    category?: string;
    confidence?: number;
};
/** Detects sensitive entities using regex patterns. */
export declare class RegexDetector implements BaseDetector {
    readonly name = "regex";
    private patterns;
    constructor(extraPatterns?: PatternDef[], overrides?: DetectorOverrides, configRules?: Record<string, ConfigRule>);
    detect(text: string): DetectedEntity[];
}