import type { Dimensions } from "../../../core/domain/types.js";
import type { AccessibilitySettings } from "../../../core/domain/types.js";
import type { Sparkle } from "../domain/models/rainbow-models.js";
/**
 * RainbowSparkleSystem - Small twinkling star particles
 *
 * Creates scattered sparkles across the screen that twinkle
 * with random timing, adding a magical quality to the background.
 */
export declare class RainbowSparkleSystem {
    private sparkles;
    /**
     * Initialize sparkles
     */
    initialize(count: number, colors?: string[]): void;
    /**
     * Create a single sparkle
     */
    private createSparkle;
    /**
     * Update sparkle animation
     */
    update(accessibility: AccessibilitySettings, frameMultiplier: number): void;
    /**
     * Draw sparkles
     */
    draw(ctx: CanvasRenderingContext2D, dimensions: Dimensions): void;
    /**
     * Draw a single sparkle (4-point star shape)
     */
    private drawSparkle;
    private hexToRgb;
    /**
     * Get sparkles for stats
     */
    getSparkles(): Sparkle[];
    /**
     * Cleanup
     */
    cleanup(): void;
}
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