1 files changed, 5 insertions, 0 deletions
diff --git a/src/qjsonvalue.h b/src/qjsonvalue.h
index 38335fc..9c62f78 100644
--- a/src/qjsonvalue.h
+++ b/src/qjsonvalue.h
@@ -44,7 +44,10 @@
 
 #include <qjsonglobal.h>
 
+QT_BEGIN_NAMESPACE
 class QVariant;
+Q_JSON_EXPORT QDebug operator<<(QDebug, const QtJson::QJsonValue &);
+QT_END_NAMESPACE
 
 namespace QtJson {
 
@@ -103,6 +106,8 @@ private:
     friend class Value;
     friend class QJsonArray;
     friend class QJsonObject;
+    friend QT_PREPEND_NAMESPACE(QDebug) (QT_PREPEND_NAMESPACE(operator<<)) (QT_PREPEND_NAMESPACE(QDebug), const QJsonValue &);
+
     QJsonValue(Private::Data *d, Private::Base *b, const Private::Value& v);
 
     void detach();