/**
 * Intro animation component - matches Ink version style
 */
import { Screen } from '../Screen';
export declare const GLITCH_CHARS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ@#$%&*<>?/;:[]=";
/**
 * Show intro animation with decrypt effect
 */
export declare function showIntro(screen: Screen, duration?: number): Promise<void>;
/**
 * Generate noise line (random glitch characters)
 */
export declare function generateNoiseLine(original: string): string;
/**
 * Get partially decrypted line based on progress
 */
export declare function getDecryptedLine(original: string, progress: number): string;
/**
 * Quick version without animation (for fast startup)
 */
export declare function showLogoStatic(screen: Screen): void;