public OperationCallSettings.Builder<
            ImportProductSetsRequest, ImportProductSetsResponse, BatchOperationMetadata>
        importProductSetsOperationSettings() {
      return importProductSetsOperationSettings;
    }
Returns the builder for the settings used for calls to importProductSets.
java-vision/google-cloud-vision/src/main/java/com/google/cloud/vision/v1p4beta1/stub/ProductSearchStubSettings.java