import { ConsoleLogger } from '@nestjs/common';
/**
 * Custom logger that extends NestJS's ConsoleLogger with environment-based log level filtering
 * @see {@link https://elsikora.com/docs/nestjs-crud-config/api-reference/utilities/logger-utility | API Reference - LoggerUtility}
 */
export declare class LoggerUtility extends ConsoleLogger {
    private static readonly ENV_LOG_LEVEL_KEY;
    constructor(context?: string);
    /**
     * Static method to create a logger with a specific context
     * @param {string} context - The context name for the logger
     * @returns {LoggerUtility} A new logger instance with the specified context
     */
    static getLogger(context?: string): LoggerUtility;
    /**
     * Get the current log level from environment variable
     * @returns {Array<LogLevel>} Array of enabled log levels based on environment configuration
     * @private
     */
    private static getLogLevelsFromEnv;
}