type Theme = "dark" | "light";
/**
 * ThemeManager handles theme switching and theme-specific asset management
 * for the login page and application
 */
export declare class ThemeManager {
    private static readonly THEMES;
    private static readonly STORAGE_KEY;
    constructor(theme?: Theme);
    /**
     * Sets the theme for the application based on user preference, session storage, or system preference
     * @param theme - Optional theme to set. If not provided, uses session storage or system preference
     */
    setTheme(theme?: Theme): void;
    /**
     * Gets the current theme from the DOM
     * @returns The current theme or null if not set
     */
    private getCurrentTheme;
    isDarkMode(): boolean;
    getThemeBg(): string;
    getWebexFooter(): string;
}
export {};
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