export declare class SettingDropdown extends HTMLElement {
    private readonly root;
    private readonly dropdown;
    private readonly button;
    private readonly content;
    private readonly checkbox;
    private readonly span;
    private readonly icon;
    private uid;
    constructor();
    connectedCallback(): void;
    static get observedAttributes(): string[];
    attributeChangedCallback(name: string, _oldValue: string | null, newValue: string | null): void;
    toggleDropdown(): void;
    close(): void;
    isChecked(): boolean;
}