import { Matrix4 } from "./Matrix4"; declare class Matrix3 { elements: Array; constructor(); set(n11: any, n12: any, n13: any, n21: any, n22: any, n23: any, n31: any, n32: any, n33: any): void; setUvTransform(tx: any, ty: any, sx: any, sy: any, rotation: any, cx: any, cy: any): void; getNormalMatrix(matrix4: Matrix4): this; identity(): this; getInverse(matrix: any, throwOnDegenerate?: any): this; transpose(): this; setFromMatrix4(m: Matrix4): this; } export { Matrix3 };