import { BehaviorSubject } from "rxjs";
import { IFCManager } from "web-ifc-three/IFC/components/IFCManager";
import { LoadingStatus } from "../model-loader.service";
export declare class GlTFImportService {
    private loader;
    /**
     * Load glTF and enable IFC.js tools over it. T
     * his just works if the glTF was previously exported from an IFC model using `exportIfcAsGltf()`.
     * @url The URL of the GLTF file to load
     */
    loadModel(ifcManager: IFCManager, file: File, fileLoading$: BehaviorSubject<LoadingStatus>, modelID: number): void;
    /**
     * Loads any glTF file into the scene using [Three.js loader](https://threejs.org/docs/#examples/en/loaders/GLTFLoader).
     * @url The URL of the GLTF file to load
     */
    private load;
    private getGltfMesh;
    private getGeometry;
    private getMaterials;
    private getMeshes;
    private setupGroups;
    private setupGeometryAttributesDraco;
    private fillArray;
    private setupGeometryIndexDraco;
    private flattenIndices;
    private setupGeometryAttributes;
    private setupGeometryIndex;
    private cleanUpLoadedInformation;
    private setupMeshAsModel;
}