import { Box3, Object3D, Plane, Ray, Vector3 } from 'three';
import { DragHandleData } from './DragHandle';
export declare const calculateDragHandles: (box: Box3) => DragHandleData[];
export declare const calculateGeometryBoundingBox: (object: Object3D) => Box3;
export declare const calculateEdgeCenter: (boundingBox: Box3, edgeIndex: number) => Vector3;
export declare const calculateAnchorPoint: (handleData: DragHandleData, boundingBox: Box3, dragHandles: DragHandleData[], useCenterAnchor?: boolean) => Vector3;
export declare const intersectRayWithPlane: (ray: Ray, plane: Plane) => Vector3 | null;
export declare const getLocalCoordinateSystem: (object: Object3D) => {
    localX: Vector3;
    localY: Vector3;
    localZ: Vector3;
};
export declare const validateScaleRatio: (scaleRatio: Vector3) => boolean;
export declare const clampScaleRatio: (scaleRatio: Vector3) => Vector3;
export declare const calculateEdgeScaleRatio: (originalDirection: Vector3, newDirection: Vector3, localCoords: {
    localX: Vector3;
    localY: Vector3;
    localZ: Vector3;
}, axes: string[], isProportional?: boolean) => Vector3;
export declare const calculateCornerScaleRatio: (originalDirection: Vector3, newDirection: Vector3, localCoords: {
    localX: Vector3;
    localY: Vector3;
    localZ: Vector3;
}, isProportional?: boolean) => Vector3;
export declare const updateTargetObjectBoundingBox: (targetObject: Object3D, onBoundingBoxChange: (newBox: Box3, newHandles: DragHandleData[]) => void) => void;
export declare const getCursorForAxes: (axes: string[]) => string;
export declare const calculateBoundingBoxEdges: (boundingBox: Box3) => {
    start: Vector3;
    end: Vector3;
    axes: string[];
    index: number;
}[];