/**
 * Live idle-time indicator shown above the user input after an agent run completes.
 */
import { Container } from '@mariozechner/pi-tui';
export declare class IdleCounterComponent extends Container {
    private idleStartedAt?;
    private textChild;
    constructor();
    setIdleStartedAt(idleStartedAt: number | undefined, now?: number): void;
    update(now?: number): void;
    render(width: number): string[];
}
export declare function formatIdleDuration(totalMinutes: number): string;
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