Actually just export type is okay now

Author: lorenabalan

x-pack/platform/plugins/shared/data_sources_registry/server/index.ts

@@ -16,7 +16,4 @@ export async function plugin(initializerContext: PluginInitializerContext) {
 }
 
 export type { DataSourcesRegistryPluginSetup, DataSourcesRegistryPluginStart } from './types';
-export type { DataCatalog } from './data_catalog';
-// Export interface (not just type) so that it can be implemented by consumers.
-// @ts-expect-error: Re-exporting type with isolatedModules
-export { DataTypeDefinition } from './data_catalog';
+export type { DataCatalog, DataTypeDefinition } from './data_catalog';