import Supercluster from 'supercluster';
import type { VNode } from 'preact';
import type { WidgetProps, Viewport } from '@deck.gl/core';
import { HtmlOverlayWidget, type HtmlOverlayWidgetProps } from "./html-overlay-widget.js";
export type HtmlClusterWidgetProps = HtmlOverlayWidgetProps & WidgetProps;
export declare abstract class HtmlClusterWidget<ObjType> extends HtmlOverlayWidget<HtmlClusterWidgetProps> {
    static defaultProps: {
        id: string;
        viewId: any;
        _container: any;
        overflowMargin: number;
        zIndex: number;
        style: {};
        className: string;
    };
    protected superCluster: Supercluster | null;
    protected lastObjects: ObjType[] | null;
    protected getOverlayItems(viewport: Viewport): VNode[];
    getClusterObjects(clusterId: number): ObjType[];
    abstract getAllObjects(): ObjType[];
    abstract getObjectCoordinates(obj: ObjType): [number, number];
    getClusterOptions(): Record<string, any>;
    abstract renderObject(coordinates: number[], obj: ObjType): VNode<Record<string, any>> | null | undefined;
    abstract renderCluster(coordinates: number[], clusterId: number, pointCount: number): VNode<Record<string, any>> | null | undefined;
}
//# sourceMappingURL=html-cluster-widget.d.ts.map