import DocId from "./types/DocId";
/** Contains an ID that identifies the synchronizable object, the document data itself, and `updatedAt` (which is used to determine whether the document must be synchronized or not). */
declare abstract class CollectionItem {
    private _id;
    private _updatedAt;
    private _document;
    get id(): DocId;
    get updatedAt(): Date;
    get document(): any;
    constructor(id: DocId, document: any, updatedAt: Date);
    update(document: any, updatedAt: Date): void;
}
export default CollectionItem;