import { EventEmitter, InjectOptions, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { AttributionLike } from 'ol/source/Source';
import { Feature } from 'ol';
import { Geometry, Point } from 'ol/geom';
import { ObjectEvent } from 'ol/Object';
import { FeatureLoader } from 'ol/featureloader';
import BaseEvent from 'ol/events/Event';
import VectorSource, { VectorSourceEvent } from 'ol/source/Vector';
import Cluster, { Options } from 'ol/source/Cluster';
import { NolPrefixedOptions, NolSafeAny } from 'ngx-ol-library/core';
import * as i0 from "@angular/core";
/**
 * Layer source component to cluster vector data.
 * @name nol-cluster-source
 * @order
 */
export declare class NolClusterSourceComponent implements NolPrefixedOptions<Options<Feature<Geometry>>>, OnInit, OnChanges, OnDestroy {
    nolAttributions?: AttributionLike;
    nolDistance?: number;
    nolLoader?: FeatureLoader;
    nolMinDistance?: number;
    nolGeometryFunction?: ((feature: Feature) => Point);
    nolCreateCluster?: ((point: Point, features: Array<Feature>) => Feature);
    nolSource?: VectorSource<Feature<Geometry>>;
    nolWrapX?: boolean;
    nolProperties?: Record<string, NolSafeAny>;
    nolAddfeature: EventEmitter<VectorSourceEvent<Feature<Geometry>>>;
    nolChange: EventEmitter<BaseEvent>;
    nolChangefeature: EventEmitter<VectorSourceEvent<Feature<Geometry>>>;
    nolClear: EventEmitter<VectorSourceEvent<Feature<Geometry>>>;
    nolError: EventEmitter<BaseEvent>;
    nolFeaturesloadend: EventEmitter<VectorSourceEvent<Feature<Geometry>>>;
    nolFeaturesloaderror: EventEmitter<VectorSourceEvent<Feature<Geometry>>>;
    nolFeaturesloadstart: EventEmitter<VectorSourceEvent<Feature<Geometry>>>;
    nolPropertychange: EventEmitter<ObjectEvent>;
    nolRemovefeature: EventEmitter<VectorSourceEvent<Feature<Geometry>>>;
    private readonly destroyRef;
    private readonly host;
    private instance;
    getInstance(): Cluster<Feature<Geometry>>;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NolClusterSourceComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NolClusterSourceComponent, "nol-cluster-source", ["nolClusterSource"], { "nolAttributions": { "alias": "nolAttributions"; "required": false; }; "nolDistance": { "alias": "nolDistance"; "required": false; }; "nolLoader": { "alias": "nolLoader"; "required": false; }; "nolMinDistance": { "alias": "nolMinDistance"; "required": false; }; "nolGeometryFunction": { "alias": "nolGeometryFunction"; "required": false; }; "nolCreateCluster": { "alias": "nolCreateCluster"; "required": false; }; "nolSource": { "alias": "nolSource"; "required": false; }; "nolWrapX": { "alias": "nolWrapX"; "required": false; }; "nolProperties": { "alias": "nolProperties"; "required": false; }; }, { "nolAddfeature": "nolAddfeature"; "nolChange": "nolChange"; "nolChangefeature": "nolChangefeature"; "nolClear": "nolClear"; "nolError": "nolError"; "nolFeaturesloadend": "nolFeaturesloadend"; "nolFeaturesloaderror": "nolFeaturesloaderror"; "nolFeaturesloadstart": "nolFeaturesloadstart"; "nolPropertychange": "nolPropertychange"; "nolRemovefeature": "nolRemovefeature"; }, never, ["*"], true, never>;
}
export declare function useClusterSource(): NolClusterSourceComponent;
export declare function useClusterSource(options: InjectOptions & {
    optional?: false;
}): NolClusterSourceComponent;
export declare function useClusterSource(options: InjectOptions): NolClusterSourceComponent | null;