import { ElementRef, EventEmitter, Renderer2, OnInit, OnDestroy, NgZone } from '@angular/core';
import { SplitComponent } from './split.component';
export declare class SplitAreaDirective implements OnInit, OnDestroy {
    private ngZone;
    private elRef;
    private renderer;
    private split;
    private _order;
    order: number | null;
    private _size;
    size: number | null;
    private _minSize;
    minSize: number;
    /**
     * maximum size (in pixels) of the splitArea
     */
    private _maxSizePx;
    /**
     * maximum size (in pixels) of the splitArea
     */
    maxSizePx: number;
    /**
     * minimum size (in pixels) of the splitArea
     */
    private _minSizePx;
    /**
     * minimum size (in pixels) of the splitArea
     */
    minSizePx: number;
    private _visible;
    visible: boolean;
    orderChange: EventEmitter<number>;
    private transitionListener;
    private readonly lockListeners;
    constructor(ngZone: NgZone, elRef: ElementRef, renderer: Renderer2, split: SplitComponent);
    ngOnInit(): void;
    getSizePixel(prop: 'offsetWidth' | 'offsetHeight'): number;
    setStyleVisibleAndDir(isVisible: boolean, isDragging: boolean, direction: 'horizontal' | 'vertical'): void;
    setStyleOrder(value: number): void;
    setStyleFlexbasis(value: string, isDragging: boolean): void;
    setSizePx(value: number, direction: 'horizontal' | 'vertical'): void;
    private setStyleTransition;
    private onTransitionEnd;
    lockEvents(): void;
    unlockEvents(): void;
    ngOnDestroy(): void;
}