/**
 * Subscription-based store for the map loading indicator.
 * Compatible with `useSyncExternalStore(subscribe, getSnapshot)`.
 *
 * `useLayers` pushes its aggregated `loading` boolean into this store.
 * `createMapComponent` subscribes and renders a spinner overlay when active.
 */
export type MapLoadingIndicatorStore = Readonly<{
    setLoading: (loading: boolean) => void;
    subscribe: (callback: () => void) => () => void;
    getSnapshot: () => boolean;
}>;
/**
 * Creates a `MapLoadingIndicatorStore` instance.
 *
 * Internally tracks a single boolean. `setLoading` only notifies subscribers
 * when the value actually changes, preventing unnecessary re-renders.
 *
 * @internal
 */
export declare const createMapLoadingIndicatorStore: () => MapLoadingIndicatorStore;