import * as THREE from 'three';
import { BaseExtension } from './base';
import type { Parser } from '../parser';
import { MeshPrimitive } from '../glTF';
/**
 * Specification: https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_draco_mesh_compression
 */
export declare class KHR_draco_mesh_compression extends BaseExtension {
    loadGeometry(primitiveDef: MeshPrimitive, parser: Parser): null | Promise<THREE.BufferGeometry>;
    private decodePrimitive;
}