import { IPendingDataSourceEntry } from "../../types/IDataSource";
import { DatasourceMigration } from "../../types/migration";
import { RunMigrationOptions } from "../../utils/migration";
/**
 * Handles the update of an existing datasource based on the provided migration schema.
 * This function performs the following operations:
 * 1. Checks if the operation is a dry run
 * 2. Verifies that either datasource updates or entries are provided
 * 3. Retrieves the existing datasource
 * 4. Updates datasource properties if provided
 * 5. Updates datasource entries if provided
 * 6. Creates a rollback file for the changes
 *
 * @param {Object} migration - The migration object containing the datasource updates
 * @param {number | string} migration.id - The ID of the datasource to update
 * @param {Partial<DatasourceMigration>} [migration.datasource] - Optional updates to the datasource properties
 * @param {Omit<IPendingDataSourceEntry, "datasource_id">[]} [migration.entries] - Optional entries to update in the datasource
 * @param {RunMigrationOptions} options - Configuration options for the migration
 * @param {boolean} [options.isDryrun] - Whether to perform a dry run without making actual changes
 * @throws {Error} If the datasource update fails
 */
export declare const handleUpdateDatasource: (migration: {
    id: number | string;
    datasource?: Partial<DatasourceMigration>;
    entries?: Omit<IPendingDataSourceEntry, "datasource_id">[];
}, options: RunMigrationOptions) => Promise<void>;