import { IImportContentType, IImportContentTypeElement } from '../import/index.js';
import { IItemFormatService, ItemsTransformData, ItemsParseData, FileBinaryData } from './file-processor.models.js';
import { IMigrationItem } from '../core/index.js';
export declare abstract class BaseItemProcessorService implements IItemFormatService {
    abstract name: string;
    abstract transformContentItemsAsync(data: ItemsTransformData): Promise<FileBinaryData>;
    abstract parseContentItemsAsync(data: ItemsParseData): Promise<IMigrationItem[]>;
    protected getSystemContentItemFields(): string[];
    protected getElement(types: IImportContentType[], contentItemType: string, elementCodename: string): IImportContentTypeElement;
}