public OperationCallSettings.Builder<DeleteIndexRequest, Empty, DeleteIndexMetadata>
        deleteIndexOperationSettings() {
      return getStubSettingsBuilder().deleteIndexOperationSettings();
    }
Returns the builder for the settings used for calls to deleteIndex.
java-visionai/google-cloud-visionai/src/main/java/com/google/cloud/visionai/v1/WarehouseSettings.java