import type { LayerPort, MapInteractionState, MapLayer } from "@trackunit/react-map-adapter-shared";
import { type RefObject } from "react";
import type { LayerHandle } from "../types";
export type UseLayerHandleSyncReturn = Readonly<{
    renderedSourceIds: RefObject<Set<string>>;
    hasSourceReadiness: boolean;
    readyRevision: number;
}>;
/**
 * Syncs layer handles and interaction state to the map adapter via `LayerPort.setSnapshot`.
 *
 * Computes a full `LayerSnapshot` from the current handles and interaction state
 * and pushes it to the adapter on every change. The adapter owns the diff.
 *
 * Also manages `onSourceReady` subscriptions for shape layers so edge labels
 * can defer rendering until the parent shape source has finished drawing.
 */
export declare const useLayerHandleSync: (layerPort: LayerPort | null, handles: ReadonlyArray<LayerHandle>, interaction: MapInteractionState, decorationLayers?: ReadonlyArray<MapLayer>) => UseLayerHandleSyncReturn;