import type { Matrix3x3, Vec3 } from './math';
export interface MarchingCubesResult {
    vertices: Vec3[];
    faces: number[][];
    normals: Vec3[];
}
export interface MarchingCubesOptions {
    periodic?: boolean;
    interpolate?: boolean;
    centered?: boolean;
    normals?: boolean;
}
export declare function marching_cubes(grid: number[][][], iso_value: number, k_lattice: Matrix3x3, options?: MarchingCubesOptions): MarchingCubesResult;
export declare function compute_vertex_normals(vertices: Vec3[], faces: number[][]): Vec3[];