declare type QuaternionLike = {
    x: number;
    y: number;
    z: number;
    w: number;
};
export declare class ApiQuaternion {
    constructor({ a, b, c, d }: {
        a?: number;
        b?: number;
        c?: number;
        d?: number;
    });
    a: number;
    b: number;
    c: number;
    d: number;
    static create(q: QuaternionLike | ApiQuaternion): ApiQuaternion | null;
}
export declare function isApiQuaternion(type: any): type is ApiQuaternion;
export default ApiQuaternion;