import type { IBackgroundSystem } from "../../../core/contracts/IBackgroundSystem.js";
import type { AccessibilitySettings, Dimensions, PerformanceMetrics, QualityLevel } from "../../../core/domain/types.js";
import type { AutumnDensityPreset, AutumnWindPreset } from "../domain/models/autumn-models.js";
import { type AutumnSceneryLayers } from "./AutumnSceneryRenderer.js";
export interface AutumnLayers extends AutumnSceneryLayers {
    leaves: boolean;
}
export declare class AutumnBackgroundSystem implements IBackgroundSystem {
    private readonly leafSystem;
    private readonly windSystem;
    private readonly scenery;
    private quality;
    private densityPreset;
    private windPreset;
    private isInitialized;
    private reducedMotion;
    private thumbnailMode;
    private dimensions;
    private layers;
    constructor();
    initialize(dimensions: Dimensions, quality: QualityLevel): void;
    update(dimensions: Dimensions, frameMultiplier?: number): void;
    draw(ctx: CanvasRenderingContext2D, dimensions: Dimensions): void;
    setQuality(quality: QualityLevel): void;
    private getParticleCount;
    setDensityPreset(preset: AutumnDensityPreset): void;
    setWindPreset(preset: AutumnWindPreset): void;
    triggerGust(): void;
    setPointer(x: number, y: number, active: boolean, pointerType?: string): void;
    handleResize(_oldDimensions: Dimensions, newDimensions: Dimensions): void;
    setAccessibility(settings: AccessibilitySettings): void;
    setThumbnailMode(enabled: boolean): void;
    setLayerVisibility(layers: Partial<AutumnLayers> & {
        gradient?: boolean;
    }): void;
    getStats(): {
        leaves: number;
        matteLoaded: number;
        treesLoaded: number;
        platesLoaded: number;
        plateTarget: number;
    };
    getMetrics(): PerformanceMetrics;
    cleanup(): void;
}
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