import { Style } from 'ol/style';
import * as i0 from "@angular/core";
export declare class ClusterStyleService {
    private styleCache;
    getClusterStyle(size: number): Style | undefined;
    setClusterStyle(size: number): void;
    private createCluster;
    static ɵfac: i0.ɵɵFactoryDeclaration<ClusterStyleService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ClusterStyleService>;
}