import { TemplateRef } from '@angular/core';
import { NzUploadFile } from 'ng-zorro-antd/upload';
import { Observable } from 'rxjs';
export declare class MUploadMetaComponent {
    mFileTypeTip: string;
    mBeforeUpload?: (file: NzUploadFile, fileList: NzUploadFile[]) => boolean | Observable<boolean>;
    mAcceptFileType: string;
    mTipText: string;
    mMultiple: boolean;
    mDirectory: boolean;
    mSelfUploadTql: TemplateRef<void> | null;
}