export declare class WelcomeScreen {
    private readonly gradients;
    /**
     * 从 package.json 读取版本信息
     */
    private getVersion;
    show(): Promise<void>;
    /**
     * 检查更新并提示用户
     */
    private checkForUpdates;
    private showSplashScreen;
    private showLoadingAnimation;
    private showGrandTitle;
    private showDescription;
    private showDivider;
    private showMainMenu;
    private handleMenuSelection;
    private handleLanguageSelection;
    private showExitAnimation;
    private showConfigWarning;
    /**
     * 确保终端状态完全重置，防止外部编辑器等工具影响后续交互
     */
    private ensureTerminalReset;
}
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