diff --git a/src/main/java/com/kingsrook/qqq/backend/core/model/etl/QDataSource.java b/src/main/java/com/kingsrook/qqq/backend/core/model/etl/QDataSource.java
index b80753a8..1bf187cd 100644
--- a/src/main/java/com/kingsrook/qqq/backend/core/model/etl/QDataSource.java
+++ b/src/main/java/com/kingsrook/qqq/backend/core/model/etl/QDataSource.java
@@ -14,10 +14,23 @@ import com.kingsrook.qqq.backend.core.model.metadata.QTableMetaData;
  **
  *******************************************************************************/
 public interface QDataSource
+
 {
+   /*******************************************************************************
+    ** listAvailableBatches
+    **
+    *******************************************************************************/
    List<String> listAvailableBatches();
 
+   /*******************************************************************************
+    ** getBatch
+    **
+    *******************************************************************************/
    QDataBatch getBatch(String identity, QTableMetaData destination) throws QException;
 
+   /*******************************************************************************
+    ** discardBatch
+    **
+    *******************************************************************************/
    void discardBatch(QDataBatch batch);
 }