import { Matrix3 } from "../math";
/**
 *
 * @param {number} a
 * @param {number} b
 * @param {number} c
 * @param {number} alpha
 * @param {number} beta
 * @param {number} gamma
 * @returns {Matrix3}
 */
export declare function conversionMatrix3(a: number, b: number, c: number, alpha: number, beta: number, gamma: number): Matrix3;