import * as i0 from "@angular/core";
export declare class TuiVisualViewport {
    private readonly w;
    private readonly style;
    protected readonly $: import("rxjs").Subscription;
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiVisualViewport, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TuiVisualViewport, "[tuiVisualViewport]", never, {}, {}, never, never, true, never>;
}