import { AfterViewInit, OnDestroy, TemplateRef, ViewContainerRef } from '@angular/core';
import { DropTarget } from './drop-target.directive';
export declare class IfDragging implements AfterViewInit, OnDestroy {
    private readonly templateRef;
    private readonly viewContainerRef;
    private readonly parent;
    hideWhenOver: any;
    private _hideWhenOver;
    private subscription;
    private hasView;
    constructor(templateRef: TemplateRef<any>, viewContainerRef: ViewContainerRef, parent: DropTarget);
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    private show();
    private hide();
}