import { ElementRef, EventEmitter, TemplateRef, Type, OnChanges } from '@angular/core';
import { OverlayService } from '../../services/overlay.service';
import { Subscription } from 'rxjs';
export declare class TooltipDirective implements OnChanges {
    private el;
    private overlay;
    name: string;
    container: string;
    position: string;
    offset: string;
    offsetBy: string;
    cmp: Type<any>;
    template: TemplateRef<any>;
    model: {
        [name: string]: any;
    };
    triangle: boolean;
    show: boolean;
    auto: boolean;
    autoclose: boolean;
    hover: number | boolean;
    showChange: EventEmitter<boolean>;
    event: any;
    id: string;
    sub: Subscription;
    private data;
    private timers;
    private instance;
    onEnter(btn: any): void;
    onLeave(btn: any): void;
    constructor(el: ElementRef, overlay: OverlayService);
    ngOnDestroy(): void;
    ngOnChanges(changes: any): void;
    private update;
    private createTooltip;
    private removeTooltip;
    private processEvent;
}