import { IQuaternion } from './Quaternion.ts';
import { PartialNullable } from '../types/interface-types.ts';
export interface IVector3 {
    /**
     * The x value.
     */
    x: number;
    /**
     * The y value.
     */
    y: number;
    /**
     * The z value.
     */
    z: number;
}
/**
 * A 3D vector.
 */
export default class Vector3 implements IVector3 {
    x: number;
    y: number;
    z: number;
    constructor(options?: PartialNullable<IVector3> | null);
    /**
     * Set the values of this vector to the sum of itself and the given vector.
     *
     * @param v - The vector to add with.
     */
    add(v: IVector3): void;
    /**
     * Set the values of this vector to the difference of itself and the given vector.
     *
     * @param v - The vector to subtract with.
     */
    subtract(v: IVector3): void;
    /**
     * Multiply the given Quaternion with this vector.
     *
     * @param q - The quaternion to multiply with.
     */
    multiplyQuaternion(q: IQuaternion): void;
    /**
     * Clone a copy of this vector.
     *
     * @returns The cloned vector.
     */
    clone(): Vector3;
}