import type { Dimensions, QualityLevel, AccessibilitySettings } from "../../../core/domain/types.js";
import type { IBackgroundSystem } from "../../../core/contracts/IBackgroundSystem.js";
export interface CelestialLayers {
    gradient: boolean;
    clouds: boolean;
    sunGlow: boolean;
    atmosphere: boolean;
    vignette: boolean;
}
export declare class CelestialBackgroundSystem implements IBackgroundSystem {
    private quality;
    private isInitialized;
    private dimensions;
    private motionMultiplier;
    private time;
    private layers;
    private clouds;
    private cloudsReady;
    private cloudGeneration;
    initialize(dimensions: Dimensions, quality: QualityLevel): void;
    private generateClouds;
    private prerenderAllClouds;
    update(dimensions: Dimensions, frameMultiplier?: number): void;
    draw(ctx: CanvasRenderingContext2D, dimensions: Dimensions): void;
    private drawSky;
    private drawSunGlow;
    private drawClouds;
    private drawAtmosphere;
    private drawVignette;
    setQuality(quality: QualityLevel): void;
    setAccessibility(settings: AccessibilitySettings): void;
    handleResize(_old: Dimensions, next: Dimensions): void;
    cleanup(): void;
    setLayerVisibility(layers: Partial<CelestialLayers>): void;
    getLayerVisibility(): CelestialLayers;
}
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