X-Git-Url: http://git.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/UnaryExpression.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/UnaryExpression.java
index 5e50628..b2b434a 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/UnaryExpression.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/UnaryExpression.java
@@ -17,25 +17,21 @@ public abstract class UnaryExpression extends OperatorExpression {
 
     /**
    * Get the variables from outside (parameters, globals ...)
-   * @return the variables from outside
    */
-  public List getOutsideVariable() {
-    return new ArrayList();
+  public void getOutsideVariable(final List list) {
   }
 
   /**
    * get the modified variables.
-   * @return the variables from we change value
    */
-  public List getModifiedVariable() {
-    return expression.getModifiedVariable();
+  public void getModifiedVariable(final List list) {
+    expression.getModifiedVariable(list);
   }
 
   /**
    * Get the variables used.
-   * @return the variables used
    */
-  public List getUsedVariable() {
-    return expression.getUsedVariable();
+  public void getUsedVariable(final List list) {
+    expression.getUsedVariable(list);
   }
 }