import type { ScreenViewport } from "@itwin/core-frontend";
import type { ViewportMapLayersState } from "./types";
/**
 * Synchronizes map-layer widget state with the active viewport display style.
 *
 * This hook initializes background/overlay layer data from the viewport,
 * subscribes to viewport and display-style events, updates scale visibility
 * and provider status changes, and exposes a guarded reload API used by DnD.
 */
export declare function useViewportMapLayers(activeViewport: ScreenViewport): ViewportMapLayersState;
//# sourceMappingURL=useViewportMapLayers.d.ts.map