import { TCameraService } from '../../Camera';
import { TSceneWrapper } from '../../Scene';
import { TText2dRegistry, TText2dRenderer, TText3dRegistry, TText3dRenderer, TTextLoop } from '../Models';
import { BehaviorSubject, Subscription } from 'rxjs';
export declare function textLoopEffect(loop: TTextLoop, text2dRegistry: TText2dRegistry, text3dRegistry: TText3dRegistry, text2dRenderer$: BehaviorSubject<TText2dRenderer | undefined>, text3dRenderer$: BehaviorSubject<TText3dRenderer | undefined>, scene: TSceneWrapper, cameraService: TCameraService): Subscription | never;