/**
 * The type representing the possible log levels to choose from.
 *
 * @breadcrumb Core / Logger
 * @public
 */
type LogLevels = 'debug' | 'verbose' | 'info' | 'warn' | 'error' | 'none';
/**
 * The options to customize {@link ILogger}
 *
 * @breadcrumb Core / Logger
 * @public
 */
type LoggerOptions = {
    /**
     * Select the log level, {@link LogLevels | see more}.
     *
     * @defaultValue error
     */
    level: LogLevels;
};
/**
 * The log function used in any level.
 *
 * @breadcrumb Core / Logger
 * @public
 */
type LoggerFN = (message: any, ...additional: any[]) => void;
/**
 * The interface representing the logger, you can provide a custom logger by implementing this interface.
 *
 * @breadcrumb Core / Logger
 * @public
 */
type ILogger = Record<Exclude<LogLevels, 'none'>, LoggerFN>;
/**
 * The method used to create a simple logger instance to use in this library.
 *
 * @remarks Behind the scenes, this simple logger sends the message to the `console` methods.
 *
 * @example
 * ```typescript
 * const logger = createDefaultLogger();
 *
 * logger.error('An error happens.');
 * // An error happens.
 * ```
 *
 * @param level - Select the level of the log
 *
 * @breadcrumb Core / Logger
 * @public
 */
declare function createDefaultLogger({ level }?: LoggerOptions): ILogger;
/**
 * The method used to chck if logger was created by this library, or it was defined by the user.
 *
 * @param logger - The instance of the logger to check
 *
 * @breadcrumb Core / Logger
 * @public
 */
declare function isInternalLogger(logger: ILogger): boolean;

export { type ILogger as I, type LogLevels as L, type LoggerOptions as a, type LoggerFN as b, createDefaultLogger as c, isInternalLogger as i };