/**
 * 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 { Directionality } from '@angular/cdk/bidi';
import { ChangeDetectorRef, ComponentFactoryResolver, ComponentRef, ElementRef, EventEmitter, Renderer2, ViewContainerRef } from '@angular/core';
import { VtsConfigKey, VtsConfigService } from '@ui-vts-kit/ng-vts/core/config';
import { VtsNoAnimationDirective } from '@ui-vts-kit/ng-vts/core/no-animation';
import { NgStyleInterface, VtsTSType } from '@ui-vts-kit/ng-vts/core/types';
import { VtsTooltipBaseDirective, VtsToolTipComponent, VtsTooltipTrigger, PropertyMapping } from '@ui-vts-kit/ng-vts/tooltip';
import * as i0 from "@angular/core";
export declare class VtsPopoverDirective extends VtsTooltipBaseDirective {
    readonly _vtsModuleName: VtsConfigKey;
    title?: VtsTSType;
    content?: VtsTSType;
    directiveTitle?: VtsTSType | null;
    trigger?: VtsTooltipTrigger;
    placement?: string | string[];
    origin?: ElementRef<HTMLElement>;
    visible?: boolean;
    mouseEnterDelay?: number;
    mouseLeaveDelay?: number;
    overlayClassName?: string;
    overlayStyle?: NgStyleInterface;
    vtsPopoverBackdrop?: boolean;
    readonly visibleChange: EventEmitter<boolean>;
    componentRef: ComponentRef<VtsPopoverComponent>;
    protected getProxyPropertyMap(): PropertyMapping;
    constructor(elementRef: ElementRef, hostView: ViewContainerRef, resolver: ComponentFactoryResolver, renderer: Renderer2, noAnimation?: VtsNoAnimationDirective, vtsConfigService?: VtsConfigService);
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsPopoverDirective, [null, null, null, null, { optional: true; host: true; }, null]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<VtsPopoverDirective, "[vts-popover]", ["vtsPopover"], { "title": { "alias": "vtsPopoverTitle"; "required": false; }; "content": { "alias": "vtsPopoverContent"; "required": false; }; "directiveTitle": { "alias": "vts-popover"; "required": false; }; "trigger": { "alias": "vtsPopoverTrigger"; "required": false; }; "placement": { "alias": "vtsPopoverPlacement"; "required": false; }; "origin": { "alias": "vtsPopoverOrigin"; "required": false; }; "visible": { "alias": "vtsPopoverVisible"; "required": false; }; "mouseEnterDelay": { "alias": "vtsPopoverMouseEnterDelay"; "required": false; }; "mouseLeaveDelay": { "alias": "vtsPopoverMouseLeaveDelay"; "required": false; }; "overlayClassName": { "alias": "vtsPopoverOverlayClassName"; "required": false; }; "overlayStyle": { "alias": "vtsPopoverOverlayStyle"; "required": false; }; "vtsPopoverBackdrop": { "alias": "vtsPopoverBackdrop"; "required": false; }; }, { "visibleChange": "vtsPopoverVisibleChange"; }, never, never, false, never>;
}
export declare class VtsPopoverComponent extends VtsToolTipComponent {
    _prefix: string;
    constructor(cdr: ChangeDetectorRef, directionality: Directionality, noAnimation?: VtsNoAnimationDirective);
    get hasBackdrop(): boolean;
    protected isEmpty(): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsPopoverComponent, [null, { optional: true; }, { optional: true; host: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<VtsPopoverComponent, "vts-popover", ["vtsPopoverComponent"], {}, {}, never, never, false, never>;
}