/**
 * SmokeSystem - Billowing smoke particles (A+ Enhancement)
 *
 * Creates atmospheric depth with smoke that:
 * - Expands as it rises (larger at higher altitudes)
 * - Fades as it rises (lower opacity at higher altitudes)
 * - Drifts with sine wave motion (organic, wispy feel)
 * - Has multiple wispy segments per plume
 *
 * Plain TypeScript module - no Svelte runes needed for standalone package.
 */
import type { Dimensions } from "../../../core/domain/types.js";
/**
 * Initialize smoke particles with stratified distribution
 */
export declare function initialize(dimensions: Dimensions, count: number): void;
/**
 * Update smoke particles with billowing behavior
 */
export declare function update(dimensions: Dimensions, frameMultiplier: number): void;
/**
 * Draw smoke particles with wispy segments
 */
export declare function draw(ctx: CanvasRenderingContext2D, _dimensions: Dimensions): void;
/**
 * Set motion multiplier for accessibility
 */
export declare function setMotionMultiplier(multiplier: number): void;
/**
 * Get particle count for stats
 */
export declare function getCount(): number;
/**
 * Adjust particle count
 */
export declare function setCount(dimensions: Dimensions, count: number): void;
/**
 * Cleanup
 */
export declare function cleanup(): void;
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