import type { CoreEngine } from '../../../app/engine.js';
import { type Controller } from '../../controller/headless-controller.js';
export interface TabOptions {
    /**
     * A constant query expression or filter that the Tab should add to any outgoing query.
     *
     * **Example:**
     *
     * `@objecttype==Message`
     */
    expression: string;
    /**
     * Whether to clear the state when the active tab changes.
     */
    clearFiltersOnTabChange?: boolean;
    /**
     * A unique identifier for the tab. The value will be used as the originLevel2 when the tab is active.
     */
    id: string;
}
export interface TabInitialState {
    /**
     * Specifies if the tab is currently selected.
     * Note that there can be only one active tab for a given headless engine.
     */
    isActive: boolean;
}
export interface TabProps {
    /**
     * The options for the `Tab` controller.
     */
    options: TabOptions;
    /**
     * The initial state that should be applied to this `Tab` controller.
     */
    initialState?: TabInitialState;
}
/**
 * The `Tab` headless controller offers a high-level interface for designing a common tab UI controller.
 *
 * Example: [tab.fn.tsx](https://github.com/coveo/ui-kit/blob/main/samples/headless/search-react/src/components/tab/tab.fn.tsx)
 *
 * @group Controllers
 * @category Tab
 */
export interface Tab extends Controller {
    /**
     * Activates the tab.
     */
    select(): void;
    /**
     * The state of the `Tab` controller.
     */
    state: TabState;
}
/**
 * A scoped and simplified part of the headless state that is relevant to the `Tab` controller.
 *
 * @group Controllers
 * @category Tab
 */
export interface TabState {
    /**
     * Indicates whether the current tab is selected.
     * */
    isActive: boolean;
}
/**
 * Creates a `Tab` controller instance.
 *
 * @param engine - The headless engine.
 * @param props - The configurable `Tab` properties.
 * @returns A `Tab` controller instance.
 */
export declare function buildCoreTab(engine: CoreEngine, props: TabProps): Tab;