diff --git a/refactoring.api/src/org/netbeans/modules/refactoring/spi/ui/FiltersDescription.java b/refactoring.api/src/org/netbeans/modules/refactoring/spi/ui/FiltersDescription.java
--- a/refactoring.api/src/org/netbeans/modules/refactoring/spi/ui/FiltersDescription.java
+++ b/refactoring.api/src/org/netbeans/modules/refactoring/spi/ui/FiltersDescription.java
@@ -141,6 +141,18 @@
     public boolean isSelected(int index) {
         return filters.get(index).selected;
     }
+    
+    /**
+     * Set selected flag
+     *
+     * @param index the index of the filter
+     * @param select new state of the flag
+     * @throws IndexOutOfBoundsException if the index is out of range
+     * ({@code index < 0 || index >= size()})
+     */
+    public void select(int index, boolean select) {
+        filters.get(index).selected = select;
+    }
 
     /**
      * Enable the filter at the supplied index.