import SyncItem from "../SyncItem";
import PersonItem from "./PersonItem";
import SynchronizableCollection from "../SynchronizableCollection";
import CollectionSyncMetadata from "../CollectionSyncMetadata";
import DocId from "../types/DocId";
declare class SynchronizableNeDB extends SynchronizableCollection {
    private db?;
    constructor(syncMetadata?: CollectionSyncMetadata);
    initialize(): Promise<void>;
    /** Creates a SyncItem object starting from a document. It extracts its `ID`, `updatedAt`, and document data to create the object. */
    makeItem(doc: any): PersonItem | undefined;
    countAll(): Promise<number>;
    itemsNewerThan(date: Date | undefined, limit: number): Promise<SyncItem[]>;
    findByIds(ids: DocId[]): Promise<SyncItem[]>;
    private executeSyncItem;
    syncBatch(items: SyncItem[]): Promise<SyncItem[]>;
    latestUpdatedItem(): Promise<SyncItem | undefined>;
}
export default SynchronizableNeDB;