export { DataStoreNotFoundError, DataStoreServiceError, DataStoreUnavailableError } from './errors.js';
/**
 * Development-only pseudo data store backed by environment variables.
 *
 * This class mirrors the public DataStore API while avoiding DynamoDB access.
 */
export declare class DataStore {
    private defaults;
    private warnOnMissing;
    private warnedKeys;
    private static _instance;
    private constructor();
    /**
     * Get or create the singleton DataStore instance.
     *
     * @returns The singleton DataStore instance
     */
    static getDataStore(): DataStore;
    /**
     * Whether the data store can be used in the current environment.
     *
     * The development pseudo store is always available when loaded.
     *
     * @returns true
     */
    isDataStoreAvailable(): boolean;
    /**
     * Fetch an entry from the pseudo data store.
     *
     * @param key The data store entry's key
     * @returns An object containing the entry's key and value
     * @throws {DataStoreNotFoundError} An entry with the given key cannot be found
     */
    getEntry(key: string): Promise<Record<string, unknown> | undefined>;
}