import { TemplateRef, ViewContainerRef, OnInit } from '@angular/core';
import { FeatureControlService } from '../services/feature-control.service';
import * as i0 from "@angular/core";
/**
 * Structural directive to hide elements when a feature is disabled.
 *
 * Usage: <button *valFeatureGuard="'oauth_facebook'">Sign in with Facebook</button>
 * If oauth_facebook is disabled, the button is not rendered.
 */
export declare class FeatureGuardDirective implements OnInit {
    private templateRef;
    private viewContainer;
    private featureControl;
    set valFeatureGuard(featureKey: string);
    private featureKey;
    constructor(templateRef: TemplateRef<any>, viewContainer: ViewContainerRef, featureControl: FeatureControlService);
    ngOnInit(): void;
    private updateVisibility;
    static ɵfac: i0.ɵɵFactoryDeclaration<FeatureGuardDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<FeatureGuardDirective, "[valFeatureGuard]", never, { "valFeatureGuard": { "alias": "valFeatureGuard"; "required": false; }; }, {}, never, never, true, never>;
}