import { IConfigRecord } from "./models/iconfig-record";
import { INeDb } from "./nedb";
export declare class DatabaseService {
    private static _db;
    private _privateDir;
    private readonly DB_NAME;
    /**
     * This will get the private dir
     */
    readonly privateDir: string;
    /**
     * Returns the instance of the database
     */
    readonly db: INeDb;
    /**
     * initialising the database
     */
    initDb(): Promise<INeDb>;
    /**
     * Clear the database
     */
    clearDb(): Promise<void>;
    /**
     * Get the record
     */
    getRecord(): Promise<IConfigRecord>;
    /**
     * Update the database
     * @param query The query
     * @param update The update query
     */
    updateDb(query: IConfigRecord, update: IConfigRecord): Promise<void>;
    /**
     * Insert into the config record
     * @param doc the new iconfig record
     */
    insert(doc: IConfigRecord): Promise<void>;
}