import { CSSResultGroup, PropertyValues, TemplateResult, LitElement } from 'lit';

export interface InterfaceSbbTabGroupActions {
    activate(): void;
    deactivate(): void;
    enable(): void;
    disable(): void;
    select(): void;
}
export interface InterfaceSbbTabGroupTab extends HTMLElement {
    active?: boolean;
    disabled?: boolean;
    relatedContent?: HTMLElement;
    index?: number;
    tabGroupActions?: InterfaceSbbTabGroupActions;
    size: 'l' | 'xl';
}
/**
 * It displays one or more tab, each one with a title and a content.
 *
 * @slot - Use the unnamed slot to add html-content to the `sbb-tab-group`.
 * Wrap the content in a `div`, a `section`, an `article` or provide a nested `sbb-tab-group`:
 * This is correct: `<div>Some text <p>Some other text</p></div>`
 * This is not correct: `<span>Some text</span><p>Some other text</p>`
 * @slot tab-bar - When you provide the `sbb-tab-title` tag through the unnamed slot,
 * it will be automatically moved to this slot. You do not need to use it directly.
 * @event {CustomEvent<void>} didChange - Emits an event on selected tab change
 */
export declare class SbbTabGroupElement extends LitElement {
    static styles: CSSResultGroup;
    static readonly events: {
        readonly didChange: "didChange";
    };
    private _tabs;
    private _selectedTab?;
    private _tabGroupElement;
    private _tabContentElement;
    private _abort;
    private _tabAttributeObserver;
    private _tabGroupResizeObserver;
    private _tabContentResizeObserver;
    /**
     * Size variant, either l or xl.
     */
    set size(value: InterfaceSbbTabGroupTab['size']);
    get size(): InterfaceSbbTabGroupTab['size'];
    private _size;
    /**
     * Sets the initial tab. If it matches a disabled tab or exceeds the length of
     * the tab group, the first enabled tab will be selected.
     */
    initialSelectedIndex: number;
    private _updateSize;
    /**
     * Emits an event on selected tab change
     */
    private _selectedTabChanged;
    /**
     * Disables a tab by index.
     * @param tabIndex The index of the tab you want to disable.
     */
    disableTab(tabIndex: number): void;
    /**
     * Enables a tab by index.
     * @param tabIndex The index of the tab you want to enable.
     */
    enableTab(tabIndex: number): void;
    /**
     * Activates a tab by index.
     * @param tabIndex The index of the tab you want to activate.
     */
    activateTab(tabIndex: number): void;
    private _getTabs;
    private get _enabledTabs();
    connectedCallback(): void;
    protected firstUpdated(changedProperties: PropertyValues<this>): void;
    disconnectedCallback(): void;
    private _onContentSlotChange;
    private _onTabsSlotChange;
    private _assignId;
    private _initSelection;
    private _onTabAttributesChange;
    private _onTabGroupElementResize;
    private _onTabContentElementResize;
    private _configure;
    private _handleKeyDown;
    protected render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'sbb-tab-group': SbbTabGroupElement;
    }
}
//# sourceMappingURL=tab-group.d.ts.map