declare module 'maptalks.markercluster' {
  import * as maptalks from 'maptalks'

  export interface ClusterLayerOptionsType extends maptalks.OverlayLayerOptionsType {
    renderer?: string;
    /** @default 160 */
    maxClusterRadius?: number;
    textSumProperty?: string;
    symbol?: maptalks.AnyMarkerSymbol;
    /** @default true */
    drawClusterText?: boolean;
    textSymbol?: maptalks.TextSymbol;
    /** @default true */
    animation?: boolean;
    /** @default 450 */
    animationDuration?: number;
    maxClusterZoom?: number;
    /** @default true */
    noClusterWithOneMarker?: boolean;
    /** @default true */
    forceRenderOnZooming?: boolean;
  }

  export class ClusterLayer extends maptalks.OverlayLayer {
    constructor(name: string, markers?: maptalks.Marker[] | ClusterLayerOptionsType, options?: ClusterLayerOptionsType)
    addMarker(markers: maptalks.Marker | maptalks.Marker[]): this
    /** @see https://github.com/maptalks/maptalks.markercluster/blob/c2ebb293b04e4ce5560137a1ec093023c8ea81f2/index.js#L283-L286 */
    identify(coordinate: Coordinate, options: LayerIdentifyOptionsType): maptalks.Marker[] | { center: maptalks.Coordinate, children: maptalks.Marker[] } | null
    getClusters(): { center: maptalks.Coordinate; children: maptalks.Marker[]; count: number; key: string }[]

    config(options: ClusterLayerOptionsType): this
    config<K extends keyof ClusterLayerOptionsType>(conf: K, value: ClusterLayerOptionsType[K]): this
    /** @deprecated */ config(): ClusterLayerOptionsType
  }
}