/**
 * L1 Input Sanitizer (v2)
 *
 * Detects prompt injection patterns and PAP (Persuasive Adversarial Prompts) in user input.
 * First line of defense against manipulation attempts.
 *
 * Enhanced Features (v2):
 * - 40 Persuasion technique detection (PAP attacks)
 * - Psychological manipulation detection
 * - Authority/scarcity/urgency exploitation detection
 * - Emotional manipulation detection
 * - Multi-technique attack detection
 */
import { SanitizerResult, GuardLogger } from "../types";
interface InjectionPattern {
    pattern: RegExp;
    weight: number;
    name: string;
}
type PersuasionCategory = "authority" | "scarcity" | "social_proof" | "reciprocity" | "commitment" | "liking" | "fear" | "logical_appeal" | "evidence" | "emotional";
export interface InputSanitizerConfig {
    threshold?: number;
    customPatterns?: InjectionPattern[];
    logMatches?: boolean;
    logger?: GuardLogger;
    /** Enable PAP (Persuasive Adversarial Prompts) detection */
    detectPAP?: boolean;
    /** PAP detection threshold (0-1, default 0.4) */
    papThreshold?: number;
    /** Minimum number of different persuasion techniques to trigger alert */
    minPersuasionTechniques?: number;
    /** Block if multiple persuasion categories used (compound attack) */
    blockCompoundPersuasion?: boolean;
}
/** Extended result type for PAP-aware sanitization */
export interface PAPSanitizerResult extends SanitizerResult {
    pap?: {
        detected: boolean;
        techniques: string[];
        categories: PersuasionCategory[];
        compoundAttack: boolean;
        persuasionScore: number;
    };
}
export declare class InputSanitizer {
    private patterns;
    private threshold;
    private logMatches;
    private detectPAP;
    private papThreshold;
    private minPersuasionTechniques;
    private blockCompoundPersuasion;
    private logger;
    constructor(config?: InputSanitizerConfig);
    /**
     * Sanitize input and detect injection patterns (including PAP)
     */
    sanitize(input: string, requestId?: string): PAPSanitizerResult;
    /**
     * Detect persuasion techniques (PAP attacks)
     */
    private detectPersuasionTechniques;
    /**
     * Basic input sanitization
     */
    private buildInputVariants;
    private basicSanitize;
    /**
     * Add custom pattern at runtime
     */
    addPattern(pattern: RegExp, weight: number, name: string): void;
    /**
     * Set threshold
     */
    setThreshold(threshold: number): void;
    /**
     * Set PAP detection threshold
     */
    setPAPThreshold(threshold: number): void;
    /**
     * Enable/disable PAP detection
     */
    setPAPDetection(enabled: boolean): void;
    /**
     * Get PAP statistics for monitoring
     */
    static getPAPCategories(): PersuasionCategory[];
}
export {};