export type ArsTabsPlacement = "top" | "bottom" | "start" | "end";
declare class ArsTabPanel extends HTMLElement {
    static get observedAttributes(): string[];
    get tabId(): string;
    set tabId(val: string);
    get label(): string;
    set label(val: string);
    get disabled(): boolean;
    set disabled(val: boolean);
    attributeChangedCallback(): void;
}
declare class ArsTabs extends HTMLElement {
    #private;
    private _activeTab;
    private _eventsBound;
    private _observer;
    static get observedAttributes(): string[];
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    attributeChangedCallback(name: string, oldVal: string | null, newVal: string | null): void;
    get activeTab(): string;
    set activeTab(val: string);
    get placement(): ArsTabsPlacement;
    set placement(val: ArsTabsPlacement);
    /** Called by child panels when their attributes change. */
    requestRender(): void;
}
export { ArsTabs, ArsTabPanel, ArsTabs as default };