/**
 * EmberSystem - Rising glowing ember particles
 *
 * Creates warm atmosphere with embers that rise, flicker, and glow.
 * Supports heat intensity (affects colors, speed, glow) and density multipliers.
 *
 * Plain TypeScript module - no Svelte runes needed for standalone package.
 */
import type { Dimensions } from "../../../core/domain/types.js";
import { type HeatIntensity } from "../domain/constants/ember-constants.js";
/**
 * Initialize embers with stratified vertical distribution
 */
export declare function initialize(dimensions: Dimensions, count: number): void;
/**
 * Update ember particles with type-specific motion
 */
export declare function update(dimensions: Dimensions, frameMultiplier: number): void;
/**
 * Draw ember particles with glow effect
 * Phoenix embers get enhanced rendering with extra glow and trail
 */
export declare function draw(ctx: CanvasRenderingContext2D, _dimensions: Dimensions): void;
/**
 * Set motion multiplier for accessibility (reduced motion)
 */
export declare function setMotionMultiplier(multiplier: number): void;
/**
 * Set heat intensity (affects color, speed, glow)
 */
export declare function setHeatIntensity(intensity: HeatIntensity): void;
/**
 * Set density multiplier
 */
export declare function setDensityMultiplier(multiplier: number): void;
/**
 * Configure flicker animation
 */
export declare function setFlicker(enabled: boolean, speed?: number): void;
/**
 * Get particle count for stats
 */
export declare function getCount(): number;
/**
 * Adjust particle count (for quality changes)
 */
export declare function setCount(dimensions: Dimensions, count: number): void;
/**
 * Handle resize
 */
export declare function handleResize(oldDimensions: Dimensions, newDimensions: Dimensions): void;
/**
 * Set callback for phoenix death events
 * Called when a phoenix ember reaches the top of the screen
 */
export declare function setPhoenixDeathCallback(callback: ((x: number, y: number) => void) | null): void;
/**
 * Get count of active phoenix embers (for stats/debugging)
 */
export declare function getPhoenixCount(): number;
/**
 * Cleanup
 */
export declare function cleanup(): void;
/**
 * Create a new instance-like object for compatibility with class-based consumers
 * This allows gradual migration - consumers can use either the module functions
 * directly or create an "instance" that wraps them.
 */
export declare function createInstance(): {
    initialize: typeof initialize;
    update: typeof update;
    draw: typeof draw;
    setMotionMultiplier: typeof setMotionMultiplier;
    setHeatIntensity: typeof setHeatIntensity;
    setDensityMultiplier: typeof setDensityMultiplier;
    setFlicker: typeof setFlicker;
    getCount: typeof getCount;
    setCount: typeof setCount;
    handleResize: typeof handleResize;
    setPhoenixDeathCallback: typeof setPhoenixDeathCallback;
    getPhoenixCount: typeof getPhoenixCount;
    cleanup: typeof cleanup;
};
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