import { DatabaseAdapter } from './types';
export type DatabaseConnectParsedOptions = {
    type: "filesystem";
    path: string;
} | {
    type: "couchdb";
    url: string;
} | {
    type: "memory";
} | {
    type: "remote";
    url: string;
};
export type DatabaseConnectOptions = DatabaseConnectParsedOptions | string;
/**
 * Connects to a database based on the provided options or environment variables.
 *
 * This function supports connecting to different types of databases, including:
 * - In-memory database
 * - Filesystem-based database
 * - Remote API database
 * - CouchDB database
 *
 * The connection type is determined by the `options` parameter or the `DATABASE_URL` environment variable.
 * If no options are provided and `DATABASE_URL` is not set, it defaults to a filesystem database.
 *
 * @param {DatabaseConnectOptions} [options] - The options for connecting to the database.
 * @returns {Promise<DatabaseAdapter>} A promise that resolves to a `DatabaseAdapter` instance.
 * @throws {Error} If the provided database URL is invalid or unsupported.
 *
 * @example
 * // Connect to a filesystem database
 * const db = await connectCrmDatabase({ type: "filesystem", path: "/path/to/db.json" });
 *
 * @example
 * // Connect to a remote API
 * const db = await connectCrmDatabase({ type: "remote", url: "https://user:APIKEY@crm.example.com" });
 *
 * @example
 * // Connect to a CouchDB database
 * const db = await connectCrmDatabase({ type: "couchdb", url: "couchdb://localhost:5984/mydb" });
 */
export declare function connectCrmDatabase(options?: DatabaseConnectOptions): Promise<DatabaseAdapter>;
export { DatabaseAdapter, DatabaseSession } from './types';
declare const _default: {
    connectCrmDatabase: typeof connectCrmDatabase;
};
export default _default;