import { TemplateRef, ViewContainerRef } from '@angular/core';
import { OptionDirective } from './option.directive';
export declare class NoneDirective {
    readonly viewContainer: ViewContainerRef;
    readonly templateRef: TemplateRef<Object>;
    readonly optionDirective?: OptionDirective;
    constructor(viewContainer: ViewContainerRef, templateRef: TemplateRef<Object>, optionDirective?: OptionDirective);
}