import { CommonSize } from '../../common/types';
import { DdsElement } from '../../internal/dds-hu-element';
/**
 * `dap-ds-tab-group`
 * @summary A tab group component. It is used with dap-ds-tab component to create a tab group.
 * @element dap-ds-tab-group
 * @title - Tab group
 * @group tab
 *
 * @event dds-tab-select - Fired when select a new tab.
 *
 * @slot - The tab items.
 *
 * @csspart base - The main container.
 * @csspart tab-nav - The tab navigation container.
 * @csspart tab-content - The tab content container.
 *
 * @cssproperty --dds-tab-group-border-radius - Border radius of the tab group container (default: var(--dds-radius-base))
 * @cssproperty --dds-tab-border-radius - Border radius for tab items (default: var(--dds-radius-base) var(--dds-radius-base) 0 0)
 * @cssproperty --dds-tab-group-border-width - Border width of the tab navigation (default: var(--dds-border-width-base))
 * @cssproperty --dds-tab-group-border-color - Border color of the tab navigation (default: var(--dds-border-neutral-subtle))
 * @cssproperty --dds-tab-height-sm - Height of small tabs (default: 40px)
 * @cssproperty --dds-tab-height-lg - Height of large tabs (default: 50px)
 * @cssproperty --dds-tab-font-size-sm - Font size of small tabs (default: var(--dds-font-base))
 * @cssproperty --dds-tab-font-size-lg - Font size of large tabs (default: var(--dds-font-lg))
 * @cssproperty --dds-tab-padding - Padding of the tab buttons (default: 0 var(--dds-spacing-400))
 * @cssproperty --dds-tab-border-width - Border width for tabs (default: var(--dds-border-width-large))
 * @cssproperty --dds-tab-selected-border-color - Border color for selected tabs (default: var(--dds-border-brand-base))
 * @cssproperty --dds-tab-text-color - Text color for tabs (default: var(--dds-button-subtle-text-neutral-enabled))
 * @cssproperty --dds-tab-hover-text-color - Text color for tabs on hover (default: var(--dds-text-brand-subtle))
 * @cssproperty --dds-tab-disabled-text-color - Text color for disabled tabs (default: var(--dds-text-neutral-disabled))
 * @cssproperty --dds-tab-hover-background - Background color for tabs on hover (default: var(--dds-transparent-black-subtle))
 * @cssproperty --dds-tab-active-background - Background color for active tabs (default: var(--dds-transparent-black-base))
 */
export default class DapDSTabGroup extends DdsElement {
    static tagName: string;
    /**@ignore */
    defaultSlot: HTMLSlotElement;
    /**@ignore */
    tabNavElements: HTMLElement[];
    /** The selected tab id. */
    selectedTabId: string;
    /** The size of the tab buttons. Default is `sm`. Can be `sm` or `lg`.
     * @type {'sm' | 'lg'}
     */
    size: CommonSize;
    /** If true, the tab group will be displayed in mobile mode. */
    mobile: boolean;
    static readonly styles: import('lit').CSSResult;
    private _tabNavItems;
    private _activeTabIds;
    private _initialEmit;
    emitTabSelect(tabId: string): void;
    attributeChangedCallback(name: string, oldValue: string | null, value: string | null): void;
    /**
     * Collects the title nodes of a tab (every light DOM child that is not
     * slotted into the tab content).
     *
     * The nodes are cloned: rendering the original nodes into the nav would move
     * them out of the tab's light DOM, so any later slotchange would find the tab
     * title empty and the nav labels would disappear.
     * @ignore
     */
    private getTabTitleNodes;
    handleSlotChange(event: Event): void;
    handleClick(tabId: string | null): void;
    handleKeyDown(event: KeyboardEvent): void;
    render(): import('lit-html').TemplateResult<1>;
}