1 files changed, 4 insertions, 0 deletions
diff --git a/searchlib/src/vespa/searchlib/query/tree/queryvisitor.h b/searchlib/src/vespa/searchlib/query/tree/queryvisitor.h
index 3d53c1181ed..02887975085 100644
--- a/searchlib/src/vespa/searchlib/query/tree/queryvisitor.h
+++ b/searchlib/src/vespa/searchlib/query/tree/queryvisitor.h
@@ -27,6 +27,8 @@ class PredicateQuery;
 class RegExpTerm;
 class SameElement;
 class NearestNeighborTerm;
+class TrueQueryNode;
+class FalseQueryNode;
 
 struct QueryVisitor {
     virtual ~QueryVisitor() {}
@@ -54,6 +56,8 @@ struct QueryVisitor {
     virtual void visit(PredicateQuery &) = 0;
     virtual void visit(RegExpTerm &) = 0;
     virtual void visit(NearestNeighborTerm &) = 0;
+    virtual void visit(TrueQueryNode &) = 0;
+    virtual void visit(FalseQueryNode &) = 0;
 };
 
 }