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": "thumb"; "thumbStyle": "thumbStyle"; "title": "title"; "extra": "extra"; }, {}, never, never>;
}
