/**
 * Progress Bar Component
 *
 * Visual progress indicator for operations with known completion
 */
import { Writable } from 'stream';
import { ProgressConfig } from './types';
/**
 * Progress bar that can be controlled externally
 */
export declare class ProgressBar {
    private width;
    private showPercentage;
    private state;
    private output;
    private isRunning;
    constructor(config: ProgressConfig, output?: Writable);
    /**
     * Start the progress bar
     */
    start(): this;
    /**
     * Update progress (0-1)
     */
    update(value: number, text?: string): this;
    /**
     * Increment progress
     */
    increment(amount?: number): this;
    /**
     * Complete the progress bar
     */
    complete(text?: string): this;
    /**
     * Mark as error
     */
    error(text?: string): this;
    /**
     * Render the current state
     */
    private render;
}
/**
 * Create and start a progress bar
 */
export declare function createProgress(text: string, options?: Partial<ProgressConfig>): ProgressBar;