export declare class IndexedDB<T extends string> {
    private readonly database;
    private db?;
    constructor(database: string);
    /**
     * The createObjectStore function creates an object store in the indexeddb.
     *
     *
     * @param tableNames T[] Create the object store
     * @param version Determine if the database needs to be upgraded
     *
     * @return A boolean flag
     *
     */
    createObjectStore(tableNames: T[], version?: number): Promise<boolean>;
    /**
     * The getValue function retrieves a value from the indexeddb.
     *
     *
     * @param tableName T Specify the type of data that is being stored in the database
     * @param id number to get the value from the object store
     *
     * @return A promise that resolves to a value
     *
     */
    getValue(tableName: T, id: number): Promise<any>;
    /**
     * The getAllValue function returns all the values in a given table.
     *
     *
     * @param tableName T Specify the table name
     *
     * @return All the values in the table
     *
     */
    getAllValue(tableName: T): Promise<any[]>;
    /**
     * The putValue function is used to add a new value to the indexeddb.
     *
     *
     * @param tableName T Specify the table that we want to get data from
     * @param value object Pass in the object to be stored
     *
     * @return A promise that resolves to the key of the record that was just added
     *
     */
    putValue(tableName: T, value: object): Promise<IDBValidKey>;
    /**
     * The putBulkValue function takes in a table name and an array of objects.
     * It then creates a transaction with the given table name, and opens up an object store.
     * For each value in the values array, it puts that value into the object store.
     * Finally, it returns all the values from that table using getAllValue().
  
     *
     * @param tableName T Specify the table name
     * @param values object[] Pass in an array of objects to be added to the database
     *
     * @return The result of the getAllValue function
     *
     */
    putBulkValue(tableName: T, values: object[]): Promise<any[]>;
    /**
     * The deleteValue function deletes a value from the indexeddb.
     *
     *
     * @param tableName T Tell the function what table to use
     * @param id number Identify the value to be deleted
     *
     * @return The id of the deleted value
     *
     */
    deleteValue(tableName: T, id: number): Promise<number>;
}