export declare const injectCommonLineRef: (options?: import("@angular/core").InjectOptions | undefined) => import("@angular-three/core").AnyFunction<import("@angular-three/core").Ref<any>>, provideCommonLineRef: <TProvideCtor extends import("@angular-three/core").AnyCtor<any> = import("@angular-three/core").AnyCtor<any>>(sub: TProvideCtor, factory?: ((instance: InstanceType<TProvideCtor>) => import("@angular-three/core").Ref<any>) | undefined) => import("@angular/core").Provider, NGT_COMMON_LINE_REF: import("@angular/core").InjectionToken<import("@angular-three/core").AnyFunction<import("@angular-three/core").Ref<any>>>;