import { type AppThemeValue } from './types';
declare class AppThemeContainer {
    private _active;
    private _mediaQuery;
    private _isDarkMode;
    private _transitionSuppressionId;
    get active(): AppThemeValue;
    /** Whether dark mode is currently active (resolves 'auto' based on system preference) */
    get isDarkMode(): boolean;
    set active(value: AppThemeValue);
    init: (serverTheme?: AppThemeValue) => void;
    toggle: () => void;
    private applyToDocument;
}
export declare const AppTheme: AppThemeContainer;
export {};