/**
 * LibSQL client configuration and factory.
 */
import type { KernlStorage } from "kernl";
import { type Client } from "@libsql/client";
/**
 * LibSQL connection configuration.
 *
 * Supports:
 * - Local SQLite files: `file:./data.db` or `file:/path/to/data.db`
 * - In-memory: `:memory:`
 * - Remote Turso: `libsql://your-db.turso.io`
 */
export type LibSQLConnectionConfig = {
    client: Client;
} | {
    url: string;
    authToken?: string;
};
/**
 * LibSQL storage configuration.
 */
export type LibSQLConfig = LibSQLConnectionConfig;
/**
 * Create a LibSQL storage adapter for Kernl.
 *
 * @example Local file
 * ```ts
 * const storage = libsql({ url: 'file:./kernl.db' });
 * ```
 *
 * @example In-memory (for testing)
 * ```ts
 * const storage = libsql({ url: ':memory:' });
 * ```
 *
 * @example Remote Turso
 * ```ts
 * const storage = libsql({
 *   url: 'libsql://your-db.turso.io',
 *   authToken: process.env.TURSO_AUTH_TOKEN
 * });
 * ```
 */
export declare function libsql(config: LibSQLConfig): KernlStorage;
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