/**
 * svelte-idb — Store<T>
 *
 * Generic CRUD layer over a single IndexedDB object store.
 * Every mutation notifies the ChangeNotifier for reactive updates.
 */
import type { IStore, StoreConfig } from './types.js';
import type { ChangeNotifier } from './change-notifier.js';
import { QueryBuilder } from './query-builder.js';
export declare class Store<T> implements IStore<T> {
    readonly storeName: string;
    private dbPromise;
    private notifier;
    private config;
    private debug;
    constructor(storeName: string, dbPromise: Promise<IDBDatabase>, notifier: ChangeNotifier, config: StoreConfig, debug?: boolean);
    private log;
    /**
     * Insert a new record. Fails if the key already exists.
     */
    add(value: T): Promise<IDBValidKey>;
    /**
     * Insert or update a record (upsert).
     */
    put(value: T): Promise<IDBValidKey>;
    /**
     * Retrieve a single record by primary key.
     */
    get(key: IDBValidKey): Promise<T | undefined>;
    /**
     * Retrieve all records in the store.
     */
    getAll(): Promise<T[]>;
    /**
     * Query records via a secondary index.
     */
    getAllFromIndex(indexName: string, query?: IDBValidKey | IDBKeyRange, count?: number): Promise<T[]>;
    where(indexName: string): QueryBuilder<T>;
    /**
     * Remove a record by primary key.
     */
    delete(key: IDBValidKey): Promise<void>;
    /**
     * Remove all records from the store.
     */
    clear(): Promise<void>;
    /**
     * Count records in the store.
     */
    count(): Promise<number>;
    /**
     * Low-level helper: open a transaction, perform an operation, return a promise.
     */
    private request;
}