/**
 * Copyright (c) 2018-2025 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author David Sehnal <david.sehnal@gmail.com>
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 */
import { SpacegroupCell, Box3D, Sphere3D } from '../../mol-math/geometry.js';
import { Tensor, Mat4, Vec3 } from '../../mol-math/linear-algebra.js';
import { Histogram } from '../../mol-math/histogram.js';
/** The basic unit cell that contains the grid data. */
interface Grid {
    readonly transform: Grid.Transform;
    readonly cells: Tensor;
    readonly stats: Readonly<{
        min: number;
        max: number;
        mean: number;
        sigma: number;
    }>;
}
declare namespace Grid {
    const One: Grid;
    type Transform = {
        kind: 'spacegroup';
        cell: SpacegroupCell;
        fractionalBox: Box3D;
    } | {
        kind: 'matrix';
        matrix: Mat4;
    };
    function getGridToCartesianTransform(grid: Grid): Mat4;
    function areEquivalent(gridA: Grid, gridB: Grid): boolean;
    function isEmpty(grid: Grid): boolean;
    function getBoundingSphere(grid: Grid, boundingSphere?: Sphere3D): Sphere3D;
    /**
     * Compute histogram with given bin count.
     * Cached on the Grid object.
     */
    function getHistogram(grid: Grid, binCount: number): Histogram;
    function makeGetTrilinearlyInterpolated(grid: Grid, transform: 'none' | 'relative'): (position: Vec3) => number;
}
export { Grid };