import { SpriteMaterial, Texture, CanvasTexture, Object3D, MeshBasicMaterial, Mesh } from 'three';
import { default as DefaultManage } from './DefaultManage';
import { Poi, PoiInfo, Group, GroupInfo, Icon, NameCanvasInfo } from '../Library';
import { ClonePoiInfo, PoiType } from '../Interface';
import { default as Viewport } from '../Viewport';
import { ObjectsCache } from '../Cache';
declare class PoiManage extends DefaultManage {
    readonly viewport: Viewport;
    readonly cache: ObjectsCache;
    textures: Map<string, Texture>;
    constructor(viewport: Viewport, cache: ObjectsCache);
    dispose(): void;
    _createIcon(info: PoiInfo): Mesh<import('three').BufferGeometry<import('three').NormalBufferAttributes, import('three').BufferGeometryEventMap>, import('three').Material<import('three').MaterialEventMap> | import('three').Material<import('three').MaterialEventMap>[], import('three').Object3DEventMap> | Icon;
    _createIconMaterial({ url, type, }: PoiInfo): MeshBasicMaterial | SpriteMaterial | undefined;
    _createText(info: PoiInfo): Mesh<import('three').BufferGeometry<import('three').NormalBufferAttributes, import('three').BufferGeometryEventMap>, import('three').Material<import('three').MaterialEventMap> | import('three').Material<import('three').MaterialEventMap>[], import('three').Object3DEventMap> | Icon;
    _createTextMaterial(info: PoiInfo): MeshBasicMaterial | SpriteMaterial;
    _createTextTexture(info: ClonePoiInfo): CanvasTexture<HTMLCanvasElement>;
    _createTextCanvas(text: string, info?: NameCanvasInfo): HTMLCanvasElement;
    _computeMaterialSizeAttenuation(material: SpriteMaterial, iconType?: PoiType): SpriteMaterial;
    protected _create(info: PoiInfo): Poi;
    create(info: PoiInfo): Poi;
    clone(poi: Poi, poiInfo: ClonePoiInfo, parent?: Object3D | null): Poi | void;
    createToGroup(groupInfo: GroupInfo, poiInfo: PoiInfo[]): Group;
    addForGroup(group: Group | null, poiInfo: PoiInfo[]): Group | null;
}
export default PoiManage;