export declare class HighlightLinks extends HTMLElement {
    private shadow;
    private currentModeIndex;
    private toneCard;
    private toneCardContent;
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    private attachListeners;
    private removeListeners;
    private handleReset;
    private handleClick;
    private applyMode;
    private loadState;
    private saveState;
    private updateUI;
    private render;
}