import { GameService } from '../../service/game.service';
import { AlienClass } from '../alien/alien.class';
/**
 * The Alien Dropship Class
 */
export declare class AlienDropshipClass extends AlienClass {
    /**
     * If the aliens should start to land
     */
    private atLandingBase;
    /**
     * The tractor beam Image
     */
    private tractorBeamImage;
    /**
     * The tractor beam Image
     */
    private tractorBeamImages;
    /**
     * The path service
     */
    private pathService;
    /**
     * The leaving the landingBase
     */
    private isLeavingBase;
    /**
     * Tractor Beam Scale
     */
    private tractorBeamScale;
    /**
     * The Tractor Beam Timmer
     */
    private tractorBeamTimer;
    /**
     * The Tractor Beam Animation Counter
     */
    private tractorBeamAnimationCounter;
    /**
     * Constructor
     * @param gameService The GameService
     * @param ctx The ctx
     * @param guid The guid of the alien
     * @param spawnLocation The guid of the alien
     */
    constructor(gameService: GameService, ctx: CanvasRenderingContext2D, guid: number);
    /**
     * Load the alien Images
     */
    private loadAlienDropshipImages;
    /**
     * If the aliens can land
     */
    canLandAliens(): boolean;
    /**
     * Reset the ship to deploy aliens
     */
    setAlienDropshipToDeploy(): void;
    /**
     * If the aliens have landed
     */
    setAliensLanded(): void;
    /**
     * Draw the alien tractor beam
     */
    private drawTractorBeam;
    /**
     * Animate the alien
     * @param now the current time
     */
    animate(now?: number): void;
}