import { Matrix } from "@babylonjs/core/Maths/math.vector.js";
import type { Node } from "@babylonjs/core/node.js";
/**
 * Matrix that converts handedness on the X-axis. Used to convert from LH to RH and vice versa.
 * @internal
 */
export declare const ConvertHandednessMatrix: Matrix;
/**
 * Checks if a node is a "noop" transform node, usually inserted by the glTF loader to correct handedness.
 * @internal
 */
export declare function IsNoopNode(node: Node, useRightHandedSystem: boolean): boolean;