/**
 * Deterministic security tester for check mode.
 *
 * Runs security payloads against MCP tools and analyzes responses to detect
 * potential vulnerabilities. All testing is deterministic (no LLM required)
 * and uses well-known security test patterns.
 *
 * This module is the core of the security baseline feature, enabling users
 * to detect common vulnerability patterns in their MCP servers.
 */
import type { SecurityCategory, SecurityFingerprint, SecurityTestOptions, SecurityTestContext, SecurityDiff, RiskLevel } from './types.js';
/**
 * Run security tests for a single tool.
 *
 * @param context - The tool context including call function
 * @param options - Security test configuration options
 * @returns Security fingerprint with findings
 */
export declare function runSecurityTests(context: SecurityTestContext, options?: SecurityTestOptions): Promise<SecurityFingerprint>;
/**
 * Compare two security fingerprints to detect changes.
 *
 * @param previous - Previous security fingerprint (may be undefined)
 * @param current - Current security fingerprint (may be undefined)
 * @returns Security diff showing what changed
 */
export declare function compareSecurityFingerprints(previous: SecurityFingerprint | undefined, current: SecurityFingerprint | undefined): SecurityDiff;
/**
 * Get risk level classification from a risk score.
 *
 * @param score - Risk score (0-100)
 * @returns Risk level
 */
export declare function getRiskLevelFromScore(score: number): RiskLevel;
/**
 * Parse security categories from a comma-separated string.
 *
 * @param categoriesString - Comma-separated category names
 * @returns Array of valid security categories
 */
export declare function parseSecurityCategories(categoriesString: string): SecurityCategory[];
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