import VectorWorker from './vectorWorker.js';
import type { TileRequest } from '../worker.spec.js';
import type { HeatmapDefinition, HeatmapWorkerLayer, PointDefinition, PointWorkerLayer } from 'style/style.spec.js';
import type { HeatmapFeature, PointFeature, PointWorker as PointWorkerSpec, VTFeature } from './process.spec.js';
/** Internal organization to hold specific point features */
export interface Features {
    point: PointFeature[];
    heatmap: HeatmapFeature[];
}
/** Worker for processing point data */
export default class PointWorker extends VectorWorker implements PointWorkerSpec {
    #private;
    featureStore: Map<string, Features>;
    /**
     * Setup a layer for future data processing
     * @param layerDefinition - layer definition
     * @returns the pre-processed layer
     */
    setupLayer(layerDefinition: PointDefinition | HeatmapDefinition): PointWorkerLayer | HeatmapWorkerLayer;
    /**
     * Build a point feature
     * @param tile - the tile request
     * @param extent - the tile extent
     * @param feature - the vector tile feature
     * @param layer - the layer definition
     * @param mapID - the map id to ship the data back to
     * @param sourceName - the source name for the data to belong to
     * @returns true if the feature was built
     */
    buildFeature(tile: TileRequest, extent: number, feature: VTFeature, layer: PointWorkerLayer | HeatmapWorkerLayer, mapID: string, sourceName: string): boolean;
    /**
     * Flush the feature store (all processed data is sent back to the main thread)
     * @param mapID - the map id to ship the data back to
     * @param tile - the tile request
     * @param sourceName - the source name the data to belongs to
     * @param wait - this promise must be resloved before flushing.
     */
    flush(mapID: string, tile: TileRequest, sourceName: string, wait: Promise<void>): Promise<void>;
}