import type { Scanner, ScannerResult, ScanContext, PIIEntity, PIIConfig } from "../types.js";
export declare class PIIScanner implements Scanner {
    readonly name = "pii";
    private patterns;
    private action;
    private typeOverrides;
    private allowedTypes;
    constructor(config?: PIIConfig);
    scan(input: string, _context: ScanContext): Promise<ScannerResult>;
    /** Detect all PII entities in text */
    detect(text: string): PIIEntity[];
    /** Remove overlapping detections — keep the more specific (higher confidence) match */
    private deduplicateOverlaps;
    /** Mask detected PII in text */
    private applyMasking;
}
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