query: beforeTime with default: nElements=1

source/RobotAPI/libraries/armem/client/query/query_fns.h

@@ -156,7 +156,7 @@ namespace armarx::armem::client::query_fns
 
     inline
     std::function<void(query::SnapshotSelector&)>
-    beforeTime(Time time, long nElements)
+    beforeTime(Time time, long nElements = 1)
     {
         return [ = ](query::SnapshotSelector & selector)
         {

source/RobotAPI/libraries/armem/client/query/selectors.h

@@ -28,7 +28,7 @@ namespace armarx::armem::client::query
         SnapshotSelector& atTime(Time timestamp);
         SnapshotSelector& atTimeApprox(Time timestamp, Duration eps);
 
-        SnapshotSelector& beforeTime(Time timestamp, long maxEntries);
+        SnapshotSelector& beforeTime(Time timestamp, long maxEntries = 1);
         SnapshotSelector& beforeOrAtTime(Time timestamp);
 
         SnapshotSelector& timeRange(Time min, Time max);