import type { IImageVolume, Point3 } from '../../../types/index.js';
export type IndexMajorAxis = {
    axis: 0 | 1 | 2;
    sign: 1 | -1;
};
export declare const SOURCE_SLICE_INDEX_TOLERANCE = 0.0001;
export declare const NEAREST_VOXEL_TIE_EPSILON = 0.000001;
export declare function getIndexMajorAxis(volume: IImageVolume, worldVector: Point3, majorThreshold?: number): IndexMajorAxis | undefined;
export declare function getSpatiallyClampedContinuousCoordinate(dimension: number, value: number): number | undefined;
export declare function getNearestVoxelIndex(continuousIndex: number): number;
export declare function getSpatiallyClampedContinuousIndex(dimensions: Point3, continuousIndex: Point3): Point3 | undefined;