import { Directionality } from '@angular/cdk/bidi';
import { CdkVirtualScrollViewport } from '@angular/cdk/scrolling';
import { OnDestroy, OnInit } from '@angular/core';
import { Subscription } from 'rxjs';
import { NgxVirtualSwiperOptions } from './options';
import { IPositionEvent } from './position-event';
export declare class NgxVirtualSwiperDirective implements OnInit, OnDestroy {
    private options;
    /** to lean more see https://material.angular.io/cdk/scrolling/api */
    private cdk;
    private dir?;
    itemSize: number;
    readonly subscription: Subscription;
    index: number;
    swiped: boolean;
    clientX: number;
    clientY: number;
    prevClientX: number;
    prevClientY: number;
    constructor(options: NgxVirtualSwiperOptions, 
    /** to lean more see https://material.angular.io/cdk/scrolling/api */
    cdk: CdkVirtualScrollViewport, dir?: Directionality);
    ngOnInit(): void;
    ngOnDestroy(): void;
    onMousedown: (e: IPositionEvent) => void;
    onTouchstart: (e: {
        touches: IPositionEvent[];
    }) => void;
    onMousemove: (e: IPositionEvent) => void;
    onTouchmove: (e: {
        touches: IPositionEvent[];
    }) => void;
    onFinish: () => void;
    /** the bug-fix to prevent dragging images while swiping */
    onDragstart: (e: {
        preventDefault: any;
    }) => void;
    get changed(): boolean;
    get rtl(): boolean;
    get scrollSize(): number;
    mousemoveX: (e: IPositionEvent) => void;
    mousemoveY: (e: IPositionEvent) => void;
    start: (e: IPositionEvent) => void;
    move: (e: IPositionEvent) => void;
    toggleSwiped: (value: boolean) => void;
    finalize: () => void;
    scrollToNearestIndex: () => void;
    addEventListener: () => void;
    removeEventListener: () => void;
    /** prevent all type of clicks (e.g. click on links, Angular`s click) */
    preventClicks: (e: MouseEvent) => void;
}