export declare type ObjectStoreKeyValueRecord = {
    key?: IDBValidKey;
    value: any;
};
export declare type SaveMode = 'insert' | 'upsert';
export declare class SkladSave {
    private database;
    private mode;
    constructor(database: IDBDatabase, mode: SaveMode);
    saveIntoOneStore(storeName: string, records: ObjectStoreKeyValueRecord[]): Promise<IDBValidKey[]>;
    saveIntoMultipleStores(arg: {
        [storeName: string]: ObjectStoreKeyValueRecord[];
    }): Promise<{
        [storeName: string]: IDBValidKey[];
    }>;
    private saveRecords;
    private buildEmptyResult;
}