/**
 * QA360 MCP Security Manager
 * Handles authentication, authorization, rate limiting, and sandboxing
 */
import { MCPServerConfig } from '../types/index.js';
export declare class SecurityManager {
    private config;
    private redactor;
    private rateLimitMap;
    constructor(config: MCPServerConfig);
    /**
     * Validate tool call permissions and arguments
     */
    validateToolCall(toolName: string, args: any): Promise<void>;
    /**
     * Validate and normalize file paths
     */
    private validatePath;
    /**
     * Check rate limiting
     */
    checkRateLimit(): Promise<void>;
    /**
     * Redact sensitive information from data
     */
    redactSensitiveData(data: any): any;
    /**
     * Check if field name indicates sensitive data
     */
    private isSensitiveField;
    /**
     * Validate tool arguments against schema
     */
    validateArguments(toolName: string, args: any): void;
    /**
     * Check if operation is allowed based on current concurrency
     */
    private concurrentOperations;
    acquireConcurrencySlot(): Promise<void>;
    releaseConcurrencySlot(): void;
    /**
     * Get current security status
     */
    getSecurityStatus(): any;
}
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