import { OnInit, OnChanges, SimpleChanges, OnDestroy, ElementRef, TemplateRef, Renderer2, ViewContainerRef, Injector, NgZone, ComponentFactoryResolver } from '@angular/core';
import { NbTiplayerComponent } from './tiplayer';
import { Placement } from '../util/position';
import { NbOverlayPositionService } from '../overlay/overlay-position.service';
import { DynamicComponentService } from '../overlay/dynamic-component.service';
export declare class NbTooltipDirective implements OnInit, OnChanges, OnDestroy {
    el: ElementRef;
    private renderer;
    private viewContainerRef;
    private injector;
    private ngZone;
    private componentFactoryResolver;
    private dynamicComponentService;
    private nbOverlayPositionService;
    /**
     * 提示框宽度
     */
    nbWidth: number;
    /**
    * 提示框高度
    */
    nbHeight: number;
    /**
     * 提示框
     */
    nbTooltipClass: string;
    /**
     * 提示框的内容
     */
    nbTooltip: string | TemplateRef<any>;
    /**
     * 提示框位置信息，默认为目标元素的底部
     * 可选值为 'top' | 'bottom' | 'left' | 'right' | 'top-left' | 'top-right' | 'bottom-left' |
     * 'bottom-right' | 'left-top' | 'left-bottom' | 'right-top' | 'right-bottom'
     * @default bottom
     */
    placement: Placement;
    /**
     * 浮层模式还是嵌入模式
     * @default false
     */
    embedded: boolean;
    /**
     * 提示框的触发事件类型
     * 可选值为 'click' | 'hover' | 'focus'
     * @default hover
     */
    trigger: string;
    /**
     * 是否有箭头
     * @default false
     */
    hasArrow: boolean;
    /**
     * 提示框主题色
     * 可选值为 'default' | white' | 'pink' | 'yellow'
     * @default default
     */
    nbTooltipTheme: string;
    private _content;
    private clickListener;
    private enterListener;
    private leaveListener;
    private focusListener;
    private blurListener;
    private tiplayerInstance;
    private positionStrategy;
    constructor(el: ElementRef, renderer: Renderer2, viewContainerRef: ViewContainerRef, injector: Injector, ngZone: NgZone, componentFactoryResolver: ComponentFactoryResolver, dynamicComponentService: DynamicComponentService<NbTiplayerComponent>, nbOverlayPositionService: NbOverlayPositionService);
    ngOnInit(): void;
    /**
     * 截获Tooltip内容的变化，重新渲染
     * 仅支持Tooltip内容为 string 类型
     */
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * 创建并显示Tooltip
     */
    show(): void;
    /**
     * 隐藏Tooltip
     */
    hide(): void;
    /**
     * 显示或隐藏Tooltip
     */
    toggle(): void;
    /**
     * Tooltip是否显示
     */
    isTooltipVisible(): boolean;
    /**
     * 处理宿主元素上的点击
     * @param { Event } event - click event
     */
    _handleHostClick(event: any): void;
    /**
     * 打开一个宿主元素的提示时，动态创建一个提示框组件
     * 根据是否为嵌入方式，决定创建在当前元素的container内还是挂载到body下面
     */
    _createTiplayer(): void;
    /**
     * 重新定位Tooltip
     */
    needReposition(): void;
    ngOnDestroy(): void;
    /**
     * 处理body区域内的点击
     */
    handleBodyInteraction(): void;
}