Source: cycles.js

import Vehicle from './vehicle';
/**
 * A 2-wheeled vehicle
 * @augments Vehicle
 */
export class Bike extends Vehicle {
    constructor() {
        super(2);
    }
}
/** A one-wheeled vehicle */
// tslint:disable-next-line:max-classes-per-file
export class Unicycle extends Vehicle {
    constructor() {
        super(1);
    }
}