/**
 * ConsoleLogger — Writes structured JSON logs to stderr.
 *
 * Critical: stdout is reserved for MCP STDIO transport.
 * All log output MUST go to stderr.
 */
import type { ILogger, LogContext, AuditContext, PerformanceContext } from './logger.js';
export declare class ConsoleLogger implements ILogger {
    private readonly baseContext;
    constructor(context?: LogContext);
    info(message: string, context?: LogContext): void;
    warn(message: string, context?: LogContext): void;
    error(message: string, error: Error, context?: LogContext): void;
    debug(message: string, context?: LogContext): void;
    audit(message: string, auditContext: AuditContext): void;
    performance(operation: string, durationMs: number, context?: PerformanceContext): void;
    child(context: LogContext): ILogger;
    private write;
}
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