import { OnInit } from '@angular/core';
import { WizardStep } from '../util/wizard-step.interface';
import * as i0 from "@angular/core";
/**
* The `awOptionalStep` directive can be used to define an optional `wizard-step`.
* An optional wizard step is a [[WizardStep]] that doesn't need to be completed to transition to later wizard steps.
*
* ### Syntax
*
* ```html
*
* ...
*
* ```
*
* ### Example
*
* ```html
*
* ...
*
* ```
*
* @author Marc Arndt
*/
export declare class OptionalStepDirective implements OnInit {
private wizardStep;
optional: boolean;
/**
* Constructor
*
* @param wizardStep The wizard step, which contains this [[OptionalStepDirective]]
*/
constructor(wizardStep: WizardStep);
/**
* Initialization work
*/
ngOnInit(): void;
static ɵfac: i0.ɵɵFactoryDeclaration;
static ɵdir: i0.ɵɵDirectiveDeclaration;
}