/**
 * storytellingjs - Logger
 *
 * Logging infrastructure for story generation.
 */
import type { StorytellingConfig } from './types.js';
export type LogLevel = 'debug' | 'info' | 'warn' | 'error';
export interface LogEntry {
    level: LogLevel;
    message: string;
    timestamp: string;
    data?: Record<string, unknown>;
}
/**
 * Logger for storytelling operations.
 */
export declare class Logger {
    private config;
    private sessionDir?;
    private entries;
    constructor(config: StorytellingConfig, sessionDir?: string);
    debug(message: string, data?: Record<string, unknown>): void;
    info(message: string, data?: Record<string, unknown>): void;
    warn(message: string, data?: Record<string, unknown>): void;
    error(message: string, data?: Record<string, unknown>): void;
    private log;
    private printToConsole;
    /**
     * Get all log entries.
     */
    getEntries(): LogEntry[];
    /**
     * Clear log entries.
     */
    clear(): void;
}
/**
 * Create a simple console logger for CLI use.
 */
export declare function createConsoleLogger(debug?: boolean): Logger;
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