import type { LogEvent, AuditLogEvent, ToolCallEvent, ToolResultEvent, ConnectionLogEvent, ErrorLogEvent, MetricsLogEvent, SecurityLogEvent } from "./types.js";
/**
 * Request context for AsyncLocalStorage
 */
interface RequestContext {
    requestId: string;
    sessionId?: string;
    clientId?: string;
    clientName?: string;
    clientIp?: string;
}
/**
 * Logger class with structured logging
 */
export declare class Logger {
    private winston;
    private asyncStorage;
    constructor();
    /**
     * Set request context for current async operation
     */
    setContext(context: RequestContext): void;
    /**
     * Get current request context
     */
    getContext(): RequestContext | undefined;
    /**
     * Log a structured event
     * ALL INPUTS ARE SANITIZED TO PREVENT LOG INJECTION/RCE
     */
    log(event: Partial<LogEvent>): void;
    /**
     * Log audit event (client activities)
     */
    audit(event: Partial<AuditLogEvent>): void;
    /**
     * Log tool call
     */
    toolCall(event: Partial<ToolCallEvent>): void;
    /**
     * Log tool result
     */
    toolResult(event: Partial<ToolResultEvent>): void;
    /**
     * Log connection event
     */
    connection(event: Partial<ConnectionLogEvent>): void;
    /**
     * Log error (sanitized to prevent RCE)
     */
    error(event: Partial<ErrorLogEvent> | Error, message?: string): void;
    /**
     * Log metric
     */
    metric(event: Partial<MetricsLogEvent>): void;
    /**
     * Log security event
     */
    security(event: Partial<SecurityLogEvent>): void;
    /**
     * Generic log methods (all sanitized)
     */
    info(message: string, metadata?: Record<string, unknown>): void;
    warn(message: string, metadata?: Record<string, unknown>): void;
    debug(message: string, metadata?: Record<string, unknown>): void;
}
/**
 * Singleton logger instance
 */
export declare const logger: Logger;
export {};