public OperationCallSettings.Builder<PurgeProductsRequest, Empty, BatchOperationMetadata>
        purgeProductsOperationSettings() {
      return getStubSettingsBuilder().purgeProductsOperationSettings();
    }
Returns the builder for the settings used for calls to purgeProducts.
java-vision/google-cloud-vision/src/main/java/com/google/cloud/vision/v1/ProductSearchSettings.java