import { Model } from '../model';
import { AbstractDBAdapter, DefaultQueryType } from './db';
export interface LowdbOptions {
    file?: string;
}
export declare class LowdbAdapter extends AbstractDBAdapter {
    protected options: LowdbOptions;
    private db;
    constructor(options: LowdbOptions);
    protected initialize(): Promise<void>;
    protected getModel<TModel extends Model>(partialModel: DefaultQueryType<TModel>): Promise<TModel | undefined>;
    protected getModelList<TModel extends Model>(partialModel: DefaultQueryType<TModel>): Promise<TModel[]>;
    protected deleteModel<TModel extends Model>(model: TModel): Promise<void>;
    protected createModel<TModel extends Model>(model: TModel): Promise<void>;
    protected updateModel<TModel extends Model>(prevModel: TModel, nextModel: TModel): Promise<void>;
    private getCollection;
}