import { AfterContentInit, AfterViewInit, QueryList } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { StringBoolean } from '../../utilities/type/type';
import { BzStepperService } from './stepper.service';
export declare class BzStepComponent {
    active: boolean;
    complited: boolean;
    visited: boolean;
    danger: boolean;
    set dangerStatus(value: StringBoolean);
    label: string;
    stepControlGroup: FormGroup;
    stepsControl: string[];
}
export declare class BzStepperComponent implements AfterContentInit, AfterViewInit {
    _stepperService: BzStepperService;
    steps: Array<BzStepComponent>;
    stepActiveIndex: number;
    headerMaxHeight: number;
    disabledHeaderValue: boolean;
    private _linearMode;
    set disabledHeader(value: boolean | string);
    set linear(value: boolean | string);
    stepChildren: QueryList<BzStepComponent>;
    constructor(_stepperService: BzStepperService);
    ngAfterContentInit(): void;
    ngAfterViewInit(): void;
    /**
     * Select active step.
     *
     * @author Federico Gambardella
     * @param {StepComponent} step
     * @param {number} index
     */
    selectStep(step: BzStepComponent, index: number): void;
    /**
     * If linear mode is enabled, stepper navigation is step by step.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {number} index
     * @returns {boolean}
     */
    _isLinearModeEnabled(index: number): boolean;
    /**
     * Check if prev step is complited.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {number} index
     * @returns {boolean}
     */
    private _isPrevStepComplited;
    /**
     * Set header stepper max-height.
     *
     * @author Federico Gambardella<fedrico.gambardella@micegroup.it>
     * @return {void}
     */
    maxHeight(): void;
}