import { TemplateRef, Renderer2, EventEmitter, AfterViewInit, ChangeDetectorRef } from '@angular/core';
import { BehaviorSubject } from 'rxjs/BehaviorSubject';
import { Observable } from 'rxjs/Observable';
import { AnimationEvent } from '@angular/animations';
import { ConnectionPositionPair, ConnectedOverlayDirective } from '@angular/cdk/overlay';
export declare class NzToolTipComponent implements AfterViewInit {
    private _renderer;
    private _cdr;
    nzTitle: string;
    nzOverlayClassName: string;
    nzOverlayStyle: {};
    nzVisibleChange: EventEmitter<any>;
    nzOrigin: any;
    nzTemplate: TemplateRef<any>;
    overlay: ConnectedOverlayDirective;
    nzVisible: boolean;
    visibleSource: BehaviorSubject<boolean>;
    visible$: Observable<boolean>;
    nzTrigger: string;
    _prefix: string;
    _positions: ConnectionPositionPair[];
    _classMap: {};
    _placement: string;
    _trigger: string;
    _hasBackdrop: boolean;
    nzPlacement: string;
    updatePosition(): void;
    onPositionChange($event: any): void;
    show(): void;
    hide(): void;
    _afterVisibilityAnimation(e: AnimationEvent): void;
    setClassMap(): void;
    constructor(_renderer: Renderer2, _cdr: ChangeDetectorRef);
    ngAfterViewInit(): void;
}