import type { InsightEngine } from '../../app/insight-engine/insight-engine.js';
import type { InsightInterfaceState } from '../../features/insight-interface/insight-interface-state.js';
import { type Controller } from '../controller/headless-controller.js';
/**
 * The `InsightInterface` controller is responsible for retrieving the Insight interface configuration.
 *
 * @group Controllers
 * @category InsightInterface
 */
export interface InsightInterface extends Controller {
    /**
     * Fetches the Insight interface configuration.
     */
    fetch(): void;
    /**
     * A scoped and simplified part of the headless state that is relevant to the `InsightInterface` controller.
     */
    state: InsightInterfaceState;
}
/**
 * Creates an `InsightInterface` controller instance.
 * @param engine  - The insight engine.
 * @returns An `InsightInterface controller instance.
 *
 * @group Controllers
 * @category InsightInterface
 */
export declare function buildInsightInterface(engine: InsightEngine): InsightInterface;