import { OnInit, EventEmitter } from '@angular/core';
import { NzUploadFile } from 'ng-zorro-antd/upload';
import { NzMessageService } from 'ng-zorro-antd/message';
export declare class UploadFileComponent implements OnInit {
    msg: NzMessageService;
    nzVoted: EventEmitter<any>;
    showUploadList: any;
    fileList: any[];
    showButton: number;
    disabled: number;
    url: string;
    previewImage: string | undefined;
    previewVisible: boolean;
    constructor(msg: NzMessageService);
    ngOnInit(): void;
    handlePreview: (file: NzUploadFile) => Promise<void>;
    getBase64(file: File): Promise<string | ArrayBuffer | null>;
    handleChange(info: {
        file: NzUploadFile;
    }): void;
    handleRemove: ($event: any) => void;
}