import { TemplateRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class CardHeaderComponent {
    prefixCls: string;
    thumb: string | TemplateRef<void>;
    thumbStyle: object;
    title: string | TemplateRef<void>;
    extra: string | TemplateRef<void>;
    cardBodyWrapper: boolean;
    constructor();
    isTemplateRef(value: any): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<CardHeaderComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<CardHeaderComponent, "CardHeader, nzm-card-header", never, { "thumb": { "alias": "thumb"; "required": false; }; "thumbStyle": { "alias": "thumbStyle"; "required": false; }; "title": { "alias": "title"; "required": false; }; "extra": { "alias": "extra"; "required": false; }; }, {}, never, never, false, never>;
}