import type { ScalarGrid3D } from './isosurface/grid';
import { type Matrix3x3, type Vec3 } from './math';
export type { ScalarGrid3D, ScalarGridArray, ScalarGridOrder } from './isosurface/grid';
export interface MarchingCubesBuffers {
    positions: Float32Array;
    indices: Uint32Array;
    normals: Float32Array;
}
interface MarchingCubesOptions {
    periodic?: boolean;
    normals?: boolean;
    position_offset?: Vec3;
}
export declare function marching_cubes(grid: ScalarGrid3D, isovalue: number, k_lattice: Matrix3x3, options?: MarchingCubesOptions): MarchingCubesBuffers;
export declare function compute_vertex_normals(positions: Float32Array, indices: Uint32Array): Float32Array;