export type Theme = "dark" | "light";
export interface ThemeTogglerOptions {
    storageKey?: string;
    themeAttribute?: string;
    defaultTheme?: Theme;
    onChange?: (theme: Theme) => void;
}
export declare class ThemeToggler {
    private static readonly THEME_ATTRIBUTE;
    private static readonly DARK_THEME;
    private static readonly LIGHT_THEME;
    private static readonly STORAGE_KEY;
    private static readonly htmlElement;
    private constructor();
    static toggle(): void;
    static setTheme(theme: string): void;
    static getCurrentTheme(): string;
    private static syncToggleState;
    static initializeToggleSwitch(toggleId?: string): void;
    static registerOnLoad(toggleId?: string): void;
}
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