import { Steppable } from '../loopables';
/**
 * (To be filled)
 */
export declare class KinematicQuantity implements Steppable {
    /**
     * Current position.
     */
    readonly position: p5.Vector;
    /**
     * Current velocity.
     */
    readonly velocity: p5.Vector;
    constructor();
    /**
     * Updates the position.
     */
    step(): void;
    /**
     * Returns the current speed.
     */
    getSpeed(): number;
    /**
     * Returns the current direction angle.
     */
    getDirection(): number;
    /**
     * Adds the given value to the current speed.
     * @param speedChange
     */
    addSpeed(speedChange: number): void;
}