export declare class Database {
    db: any;
    root_dir: String;
    used: boolean;
    constructor(root_dir: String);
    start(): Promise<any>;
    stop(): Promise<this>;
    new_db(name: string): Promise<any>;
    execute_sql(uri: String, sql: String): Promise<any>;
    drop_db(uri: string): Promise<void>;
    _get_db(): Promise<any>;
}
