import { Mat4 } from "./mat4";
import { SimpleVector3 } from "./simple-vector3";
import { Vector4 } from "./vector4";
export declare class Quaternion extends Vector4 {
    static fromRotationMatrix(rot: Mat4): Quaternion;
    static fromEuler(x: number, y: number, z: number, result?: Quaternion): Quaternion;
    clone(): Quaternion;
    static multiply(a: Quaternion, b: Quaternion, result?: Quaternion): Quaternion;
    toEuler(): SimpleVector3;
}
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