import * as THREE from 'three';
import type { VoxelChunk } from './voxel-data.js';
/**
 * Greedy voxel meshing: merges coplanar same-id faces into maximal
 * rectangles, producing 10-30× fewer triangles than naive
 * six-quads-per-voxel meshing.
 *
 * @param chunk - The voxel data to mesh.
 * @returns An indexed `BufferGeometry` with normals and per-face vertex
 * colors derived from voxel ids.
 * @remarks Rebuild cost is O(chunk volume) — mesh once per chunk edit, never
 * per frame.
 */
export declare function greedyMesh(chunk: VoxelChunk): THREE.BufferGeometry;
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