import { QueryList } from '@angular/core';
import { Subject } from 'rxjs';
import { ItemComponent } from './item.component';
/**
 * Wizard service lets you to reach the options of the wizard on-the-fly.
 */
export declare class WizardService {
    /**
     * Currently active step
     */
    active: number;
    /**
     * Array of the steps which have warning case
     */
    warningSteps: number[];
    /**
     * Vertical option of the wizard.
     */
    isVertical: Subject<boolean>;
    /**
     * The active index subject for the subscription of the active index.
     */
    activeIndex: Subject<{
        id?: string;
        value: number;
    }>;
    /**
     * List of steps as publicly
     */
    steps: QueryList<ItemComponent>;
    /**
     * Boolean for step is last step or not
     */
    isLast: boolean;
    gotoNextStep(id?: string): void;
    gotoPrevStep(id?: string): void;
}