import { LoggingBackend } from "../../interfaces/logger.d.ts";
/**
 * A logging backend that logs to the console.
 */
export declare class ConsoleBackend implements LoggingBackend {
    private timers;
    constructor();
    /**
     * Get the CSS style for a specific log level
     */
    private getStyleForLevel;
    /**
     * Format a log message with category, timestamp and log level
     */
    private formatMessage;
    trace(category: string, message: string, ...args: unknown[]): void;
    debug(category: string, message: string, ...args: unknown[]): void;
    info(category: string, message: string, ...args: unknown[]): void;
    warn(category: string, message: string, ...args: unknown[]): void;
    error(category: string, message: string, ...args: unknown[]): void;
    /**
     * Start a timer with the specified label.
     */
    time(category: string, label: string): void;
    /**
     * End a timer and log the elapsed time.
     */
    timeEnd(category: string, label: string): void;
}