import { Destroyable, IDestroyable } from 'destroyable';
import { Vector } from 'xyzt';
import { IParticleOptions } from './Particle';
export declare class DrawController extends Destroyable implements IDestroyable {
    deadParticlesCount: number;
    private readonly liveCtx;
    private readonly deadCtx;
    private readonly scene;
    private lastRenderNow;
    private readonly contexts;
    private readonly subscribers;
    constructor(quality: Vector, initialColor?: string);
    drawPoint(options: IParticleOptions): void;
    drawLine(options1: IParticleOptions, options2: IParticleOptions, segmentSize: number): void;
    get liveParticlesCount(): number;
    addContext(context: CanvasRenderingContext2D): void;
    subscribe(callback: () => void): void;
    private callSubscribers;
    private renderLoop;
    private render;
    destroy(): Promise<void>;
}