import { Entity, World } from 'hytopia';
import type { Vector3Like } from 'hytopia';
import { ParticleConfig } from '../types';
export declare class Particle {
    private config;
    private entityFactory?;
    private entity;
    private spawnTime;
    private lifetime;
    private isActive;
    private velocity?;
    private angularVelocity?;
    private animations?;
    private baseScale;
    private baseColor;
    private currentRotation;
    private rotationVelocity;
    private isColorGradient;
    private colorGradient?;
    private currentScale;
    private currentColor;
    private currentOpacity;
    constructor(config: ParticleConfig, entityFactory?: ((config: any) => Entity) | undefined);
    spawn(world: World, position: Vector3Like, velocity?: Vector3Like, angularVelocity?: Vector3Like): void;
    update(): boolean;
    private applyAnimations;
    private applyRotation;
    despawn(): void;
    reset(config?: Partial<ParticleConfig>): void;
    get active(): boolean;
    get position(): Vector3Like | undefined;
    getLifetimeProgress(): number;
}
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