/**
 * session-status-bar.ts — Status bar component for the live session TUI.
 *
 * Shows animated spinner, agent type, description, elapsed time,
 * tool use count, and turn count in a single compact line.
 */
import { type Component, type TUI } from "@mariozechner/pi-tui";
import type { SessionEventStream } from "../session-events.js";
import type { Theme } from "./agent-widget.js";
/**
 * Status bar showing live agent session stats.
 */
export declare class SessionStatusBar implements Component {
    private tui;
    private theme;
    private record;
    private spinnerIdx;
    private elapsed;
    private toolCount;
    private turnCount;
    private status;
    private startTime;
    private timerHandle;
    private spinnerHandle;
    private unsubscribe;
    private closed;
    constructor(tui: TUI, events: SessionEventStream, theme: Theme, record: {
        type: string;
        description: string;
        createdAt?: number;
        startedAt?: number;
    });
    /**
     * Handle session events to update counters.
     */
    private handleEvent;
    /**
     * Start timers for elapsed time and spinner animation.
     */
    private startTimers;
    render(width: number): string[];
    handleInput(_data: string): void;
    invalidate(): void;
    dispose(): void;
    /**
     * Format elapsed seconds into a human-readable duration string.
     */
    private formatElapsed;
}