/**
 * Convert seconds to time format: "HH:mm:ss"
 * @param seconds - Input seconds
 */
export declare function secondsToTimeString(seconds: number): string;
export declare function secondsToTimeFormat(seconds: number, format: 'HH:mm:ss' | 'mm:ss'): string;
export declare function logWithTime(...messages: string[]): void;
export declare class LogSession {
    private startTime;
    private lastLogTime;
    private title;
    constructor(title?: string);
    log(...messages: string[]): void;
    logWithTime(...messages: string[]): void;
    end(): void;
}