import type { Logger as LoggerInterface, LoggerConfig } from './types.js';
export declare class LoggerFactory {
    private static readonly DEFAULT_FORMAT;
    private static readonly DEFAULT_NAME;
    private static readonly DEFAULT_LEVEL;
    private static defaultLogger;
    static getDefault(): LoggerInterface;
    static createNamedLogger(name: string): LoggerInterface;
    static createCustomLogger(config: LoggerConfig): LoggerInterface;
    static logConfigInfo(): void;
    private static resolveLoggerProvider;
    /**
     * Resolve the final configuration by merging defaults, environment variables,
     * and explicit configuration
     */
    private static resolveConfiguration;
    private static getLogLevelFromEnv;
    /**
     * Parse log level from string or enum value
     */
    private static parseLogLevel;
    private static stringifyLogLevel;
    /**
     * Get log format from environment variable LOG_FORMAT
     */
    private static getLogFormatFromEnv;
    /**
     * Parse log format from string or enum value
     */
    private static parseLogFormat;
}
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