export declare class ThemeToggler extends HTMLElement {
    get theme(): 'dark' | 'light';
    set theme(value: 'dark' | 'light');
    private boundKeyDown;
    private boundToggle;
    protected _localStorageKey: string;
    protected _cssPropNames: {
        [key: string]: string;
    };
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected render(): void;
    protected registerComponentToMO(): void;
    toggle(): void;
    setTheme(theme: 'dark' | 'light', store?: boolean): void;
    protected setup(): void;
    setupInitialTheme(): void;
    protected setupThemeTransition(): void;
    protected setupColorSchemeListener(): void;
    protected keyDown(ev: KeyboardEvent): void;
    reset(): void;
    teardown(): void;
}
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