import { CdkPortalOutlet, TemplatePortal } from '@angular/cdk/portal';
import { ComponentFactoryResolver, ElementRef, EventEmitter, OnDestroy, OnInit, ViewContainerRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class RealsoftTabBodyPortal extends CdkPortalOutlet implements OnInit, OnDestroy {
    private _host;
    private _centeringSub;
    private _leavingSub;
    constructor(_componentFactoryResolver: ComponentFactoryResolver, _viewContainerRef: ViewContainerRef, _document?: any);
    ngOnInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<RealsoftTabBodyPortal, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<RealsoftTabBodyPortal, "[realsoftTabBodyHost]", never, {}, {}, never, never, true, never>;
}
export type RealsoftTabBodyPositionState = 'left' | 'center' | 'right';
export type RealsoftTabBodyOriginState = 'left' | 'right';
export declare class RealsoftTabBody implements OnInit, OnDestroy {
    private _elementRef;
    private _dir;
    private _ngZone;
    private _injector;
    private _renderer;
    private _fallbackTimer;
    private _eventCleanups;
    private _initialized;
    private _positionIndex;
    private _dirChangeSubscription;
    _position: RealsoftTabBodyPositionState;
    protected _previousPosition?: RealsoftTabBodyPositionState;
    _portalHost: RealsoftTabBodyPortal;
    _contentElement?: ElementRef<HTMLElement>;
    _content: TemplatePortal;
    preserveContent: boolean;
    set position(index: number);
    readonly _onCentering: EventEmitter<number>;
    readonly _beforeCentering: EventEmitter<boolean>;
    readonly _onCentered: EventEmitter<void>;
    readonly _afterLeavingCenter: EventEmitter<void>;
    constructor();
    ngOnInit(): void;
    ngOnDestroy(): void;
    private _bindTransitionEvents;
    private _transitionStarted;
    private _transitionDone;
    _setActiveClass(isActive: boolean): void;
    private _getLayoutDirection;
    _isCenterPosition(): boolean;
    private _computePositionAnimationState;
    private _simulateTransitionEvents;
    static ɵfac: i0.ɵɵFactoryDeclaration<RealsoftTabBody, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<RealsoftTabBody, "realsoft-tab-body", never, { "_content": { "alias": "content"; "required": false; }; "preserveContent": { "alias": "preserveContent"; "required": false; }; "position": { "alias": "position"; "required": false; }; }, { "_onCentering": "_onCentering"; "_beforeCentering": "_beforeCentering"; "_onCentered": "_onCentered"; }, never, never, true, never>;
}