export declare const FilePreviewSchema: {
    id: string;
    type: string;
    appearance: any;
    readonly: string;
    rootId: string;
    formId: string;
    fieldIdKey: any;
    fileNameKey: any;
    visible: boolean;
    removeFile: any;
    previewAreaTemplate: any;
    showType: string;
    enableBatchDownload: boolean;
    filePreviewToolbarTemplate: string;
    itemCls: string;
    canRename: boolean;
    defaultRename: string;
    showFileList: boolean;
    showHeader: boolean;
};