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qgis · May 23, 2022 · 6b01266 · 6b01266
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diff --git a/python/core/auto_generated/layertree/qgslayertreeutils.sip.in b/python/core/auto_generated/layertree/qgslayertreeutils.sip.in
@@ -143,7 +143,7 @@ or the group itself if it doesn't hold the property
 .. versionadded:: 3.8
 %End
 
-    static QString expressionForLegendKey( QgsLayerTreeNode* node, const QString& legendKey );
+    static QString expressionForLegendKey( QgsLayerTreeNode* node, const QString &legendKey );
 %Docstring
 Returns an expression representing a legend key for a given layer tree ``node``.
 

diff --git a/src/core/layertree/qgslayertreeutils.cpp b/src/core/layertree/qgslayertreeutils.cpp
@@ -531,7 +531,7 @@ QgsLayerTreeGroup *QgsLayerTreeUtils::firstGroupWithoutCustomProperty( QgsLayerT
   return group;
 }
 
-QString QgsLayerTreeUtils::expressionForLegendKey( QgsLayerTreeNode *node, const QString& legendKey )
+QString QgsLayerTreeUtils::expressionForLegendKey( QgsLayerTreeNode *node, const QString &legendKey )
 {
   if ( QgsLayerTree::isLayer( node ) )
   {

diff --git a/src/core/layertree/qgslayertreeutils.h b/src/core/layertree/qgslayertreeutils.h
@@ -138,7 +138,7 @@ class CORE_EXPORT QgsLayerTreeUtils
      *
      * \since QGIS 3.26
      */
-    static QString expressionForLegendKey( QgsLayerTreeNode *node, const QString& legendKey );
+    static QString expressionForLegendKey( QgsLayerTreeNode *node, const QString &legendKey );
 };
 
 #endif // QGSLAYERTREEUTILS_H