import type { Theme } from './types.js';
/**
 * Parses string to theme
 *
 * @example
 * ```ts
 * console.log(parseTheme('LIGHT')); // 'light'
 * console.log(parseTheme('invalid')); // undefined
 * console.log(parseTheme('invalid', 'dark')); // 'dark'
 * ```
 */
export declare function parseTheme(value: unknown, fallback: Theme): Theme;
export declare function parseTheme(value: unknown): Theme | undefined;