message: Run api report and add minimal tsdoc.
diff: @@ -107,6 +107,11 @@ export class ElasticSearchSearchEngine implements SearchEngine {
  );
  }
  + /**
  + * Create a custom search client from the derived elastic search
  + * configuration. This need not be the same client that the engine uses
  + * internally.
  + */
  newClient<T>(create: (options: ElasticSearchClientOptions) => T): T {
  return create(this.elasticSearchClientOptions);
  }
  