/**
 * Triangulate an elevation grid using Delaunay triangulation
 */
export declare function triangulateGridDelaunay(grid: Float32Array, columns: number, scaleX?: number, scaleY?: number, nullValue?: number, maxError?: number): {
    positions: Float32Array<ArrayBuffer>;
    uvs: Float32Array<ArrayBuffer>;
    indices: Uint32Array<ArrayBuffer>;
};