/**
 * Built-in theme configurations
 */
import type { LyricTheme } from '../types/components';
/**
 * Default theme - Clean and simple
 */
export declare const defaultTheme: LyricTheme;
/**
 * Karaoke theme - Traditional karaoke box style
 */
export declare const karaokeTheme: LyricTheme;
/**
 * Minimal theme - Clean and subtle
 */
export declare const minimalTheme: LyricTheme;
/**
 * Extreme Karaoke theme - Traditional Thai karaoke box style
 * Features alternating highlight colors for two-line display
 */
export declare const extremeKaraokeTheme: LyricTheme;
/**
 * Theme registry
 */
export declare const themes: {
    default: LyricTheme;
    karaoke: LyricTheme;
    minimal: LyricTheme;
    'extreme-karaoke': LyricTheme;
};
/**
 * Get theme by name
 */
export declare function getTheme(name: string): LyricTheme | undefined;
/**
 * Register custom theme
 */
export declare function registerTheme(theme: LyricTheme): void;