/**
 * Confidence Scorer
 * Calculates confidence levels for vulnerability detections
 *
 * Extracted from SecurityResponseAnalyzer.ts (Issue #53)
 * Handles: confidence calculation, structured data tool detection, validation pattern checks
 */
import { Tool } from "@modelcontextprotocol/sdk/types.js";
import { SecurityPayload } from "../../../../lib/securityPatterns.js";
import type { SanitizationDetectionResult } from "./SanitizationDetector.js";
/**
 * Result of confidence calculation
 */
export interface ConfidenceResult {
    confidence: "high" | "medium" | "low";
    requiresManualReview: boolean;
    manualReviewReason?: string;
    reviewGuidance?: string;
}
/**
 * Calculates confidence levels for security vulnerability detections
 */
export declare class ConfidenceScorer {
    /**
     * Calculate confidence level for a vulnerability detection
     *
     * Factors considered:
     * - Sanitization detection (Issue #56)
     * - Structured data tool context
     * - Evidence quality
     * - Response characteristics
     *
     * @param tool - The tool being tested
     * @param isVulnerable - Whether the tool was flagged as vulnerable
     * @param evidence - Evidence string from vulnerability detection
     * @param responseText - The response text from the tool
     * @param payload - The security payload used for testing
     * @param sanitizationResult - Optional sanitization detection result (Issue #56)
     * @returns Confidence result with manual review requirements
     */
    calculateConfidence(tool: Tool, isVulnerable: boolean, evidence: string, responseText: string, payload: SecurityPayload, sanitizationResult?: SanitizationDetectionResult): ConfidenceResult;
    /**
     * Check if tool is a structured data tool (search, lookup, retrieval)
     *
     * These tools are more likely to return data containing patterns
     * that look like vulnerabilities but are actually just data.
     */
    isStructuredDataTool(toolName: string, toolDescription: string): boolean;
    /**
     * Check if evidence pattern is ambiguous (validation-like)
     *
     * Some patterns match both security issues AND normal validation errors.
     * These require more careful analysis.
     */
    isValidationPattern(evidencePattern: RegExp): boolean;
}
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