/**
 * Progress Rendering Utilities
 *
 * Provides ephemeral progress indicators that clear when done:
 * - Spinners for indeterminate progress
 * - Progress bars for determinate progress
 *
 * Always writes to stderr to avoid interfering with stdout data.
 */
/**
 * Progress renderer that manages ephemeral output
 * All progress is shown on stderr and clears when complete
 */
export declare class ProgressRenderer {
    private spinnerInterval?;
    private currentFrame;
    private isActive;
    private lastMessage;
    private lastLength;
    /**
     * Start an indeterminate spinner with auto-animation
     * Updates every 80ms until stopped
     */
    startSpinner(message: string): void;
    /**
     * Show a single frame of spinner (no auto-animation)
     */
    showSpinner(message: string): void;
    /**
     * Show a progress bar with percentage (0-1)
     */
    showProgress(value: number, message?: string): void;
    /**
     * Render progress bar with spinner animation
     */
    render(value: number, message?: string): void;
    /**
     * Update message without restarting animation
     */
    updateMessage(message: string): void;
    /**
     * Stop and clear progress display
     */
    stop(): void;
    /**
     * End progress display (clears the line)
     */
    done(): void;
    /**
     * Print a persistent status message
     */
    status(message: string): void;
    /**
     * Check if progress is currently active
     */
    get active(): boolean;
    private clearLine;
    private renderSpinner;
    private renderProgressBar;
}
export declare function getProgressRenderer(): ProgressRenderer;
export declare function startSpinner(message: string): void;
export declare function showProgress(value: number, message?: string): void;
export declare function updateProgressMessage(message: string): void;
export declare function stopProgress(): void;
export declare function isProgressActive(): boolean;
//# sourceMappingURL=progress.d.ts.map