import { OnDestroy, OnInit } from '@angular/core';
import { SuspenseIfContext, SuspenseInput } from '../models/suspense';
import { SuspenseIfDirective } from './suspense-if.directive';
import * as i0 from "@angular/core";
export declare class SuspenseIfEmptyDirective<T> extends SuspenseIfDirective<T> implements OnInit, OnDestroy {
    nbSuspenseIfEmptyOfType?: SuspenseInput<T>;
    get isVisible(): boolean;
    get value(): T;
    static ngTemplateContextGuard<T>(dir: SuspenseIfEmptyDirective<T>, ctx: unknown): ctx is SuspenseIfContext<T>;
    static ɵfac: i0.ɵɵFactoryDeclaration<SuspenseIfEmptyDirective<any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SuspenseIfEmptyDirective<any>, "[nbSuspenseIfEmpty]", never, { "nbSuspenseIfEmptyOfType": { "alias": "nbSuspenseIfEmptyOfType"; "required": false; }; }, {}, never, never, false, never>;
}