import { type Container, type IDelta, type IParticleUpdater, type RecursivePartial } from "@tsparticles/engine";
import { type IOpacityParticlesOptions, type OpacityParticle, type OpacityParticlesOptions } from "./Types.js";
export declare class OpacityUpdater implements IParticleUpdater {
    #private;
    constructor(container: Container);
    init(particle: OpacityParticle): void;
    isEnabled(particle: OpacityParticle): boolean;
    loadOptions(options: OpacityParticlesOptions, ...sources: (RecursivePartial<IOpacityParticlesOptions> | undefined)[]): void;
    reset(particle: OpacityParticle): void;
    update(particle: OpacityParticle, delta: IDelta): void;
}