export type LogLevel = "debug" | "info" | "warn" | "error" | "none";
export interface LogContext {
    nodeId?: string;
    component?: string;
    actorId?: string;
    [key: string]: string | number | boolean | undefined;
}
export interface LogEntry {
    level: LogLevel;
    message: string;
    context: LogContext;
    timestamp: Date;
    error?: Error;
}
export type LogHandler = (entry: LogEntry) => void;
/**
 * Default console log handler that formats entries for terminal output.
 */
export declare const consoleLogHandler: LogHandler;
/**
 * Global logger configuration.
 */
declare class LoggerConfig {
    private _level;
    private _handler;
    get level(): LogLevel;
    set level(level: LogLevel);
    get handler(): LogHandler;
    set handler(handler: LogHandler);
    /**
     * Configure the global logger.
     */
    configure(options: {
        level?: LogLevel;
        handler?: LogHandler;
    }): void;
}
export declare const loggerConfig: LoggerConfig;
/**
 * A structured logger with context.
 */
export declare class Logger {
    private context;
    constructor(context?: LogContext);
    /**
     * Creates a child logger with additional context.
     */
    child(additionalContext: LogContext): Logger;
    private log;
    debug(message: string, extra?: LogContext): void;
    info(message: string, extra?: LogContext): void;
    warn(message: string, extra?: LogContext): void;
    error(message: string, error?: Error, extra?: LogContext): void;
}
/**
 * Creates a logger for a specific component.
 */
export declare function createLogger(component: string, nodeId?: string): Logger;
export {};
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