import * as THREE from 'three';
import { GeometryData, IPrimitiveData } from '@shapediver/viewer.shared.types';
import { IBox } from '@shapediver/viewer.shared.math';
import { RenderingEngine } from '../RenderingEngine';
import { ILoader } from '../interfaces/ILoader';
import { SDData } from '../objects/SDData';
export declare class GeometryLoader implements ILoader {
    private readonly _renderingEngine;
    private _primitiveCache;
    private _geometryCache;
    private _logger;
    private _gemSphericalMapsCache;
    private _gemNormalMaterial?;
    private _gemCubeCameraRenderTarget?;
    private _gemScene?;
    private _gemCubeCamera?;
    constructor(_renderingEngine: RenderingEngine);
    emptyGeometryCache(): void;
    init(): void;
    /**
     * Create a geometry object with the provided geometry data.
     *
     * @param geometry the geometry data
     * @returns the geometry object
     */
    load(geometry: GeometryData, parent: SDData, newChild: boolean, skeleton?: THREE.Skeleton): IBox;
    loadPrimitive(primitive: IPrimitiveData): THREE.BufferGeometry;
    removeFromGeometryCache(id: string): void;
    removeFromGemSphericalMapsCache(id: string): void;
    removeFromPrimitiveCache(id: string): void;
    private checkNormals;
    private convertToTriangleMode;
    private createCubeNormalMap;
    private createMesh;
    private getAttributeName;
    private loadAttribute;
}
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