import { OnChanges, Renderer2, ViewContainerRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class DropdownLoaderDirective implements OnChanges {
    private renderer;
    isOptionHidden: boolean;
    loaderWrapper: boolean;
    fusionDropdownLoader: boolean;
    private loaderComponentRef;
    viewContainerRef: ViewContainerRef;
    constructor(renderer: Renderer2);
    ngOnChanges(): void;
    loadContent(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropdownLoaderDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DropdownLoaderDirective, "[fusionDropdownLoader]", never, { "fusionDropdownLoader": { "alias": "fusionDropdownLoader"; "required": false; }; }, {}, never, never, false, never>;
}