import type { Geometry } from '../types';
export declare class GLBLoader {
    private loader;
    constructor();
    /**
     * Load GLB file and convert to moicad Geometry format
     */
    load(glbData: ArrayBuffer | string): Promise<Geometry>;
    /**
     * Extract and merge all geometries from GLTF scene
     */
    private extractGeometry;
    /**
     * Merge multiple mesh geometries into one
     */
    private mergeGeometries;
    /**
     * Compute vertex normals if not provided
     */
    private computeVertexNormals;
}
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