/**
 * @license
 * Copyright Alibaba.com All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { ChangeDetectorRef, TemplateRef } from '@angular/core';
import { NzNoAnimationDirective } from 'ng-zorro-antd/core';
import { NzToolTipComponent } from 'ng-zorro-antd/tooltip';
export declare class NzPopoverComponent extends NzToolTipComponent {
    noAnimation?: NzNoAnimationDirective | undefined;
    _prefix: string;
    /** Used to remove NzToolTipComponent @ContentChild('nzTemplate') */
    nzTitle: string | TemplateRef<void>;
    nzContent: string | TemplateRef<void>;
    constructor(cdr: ChangeDetectorRef, noAnimation?: NzNoAnimationDirective | undefined);
    protected isContentEmpty(): boolean;
}