Index: trunk/src/org/openstreetmap/josm/gui/DefaultNameFormatter.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/DefaultNameFormatter.java	(revision 10237)
+++ trunk/src/org/openstreetmap/josm/gui/DefaultNameFormatter.java	(revision 10238)
@@ -95,5 +95,5 @@
      * A ? prefix indicates a boolean value, for which the key (instead of the value) is used.
      */
-    protected static final String[] DEFAULT_NAMING_TAGS_FOR_RELATIONS = {"name", "ref", "restriction", "landuse", "natural",
+    private static final String[] DEFAULT_NAMING_TAGS_FOR_RELATIONS = {"name", "ref", "restriction", "landuse", "natural",
         "public_transport", ":LocationCode", "note", "?building"};
 
Index: trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/NodeElement.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/NodeElement.java	(revision 10237)
+++ trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/NodeElement.java	(revision 10238)
@@ -92,4 +92,6 @@
     public static final StyleElementList DEFAULT_NODE_STYLELIST_TEXT = new StyleElementList(NodeElement.SIMPLE_NODE_ELEMSTYLE,
             BoxTextElement.SIMPLE_NODE_TEXT_ELEMSTYLE);
+
+    private static final String[] ICON_KEYS = {ICON_IMAGE, ICON_WIDTH, ICON_HEIGHT, ICON_OPACITY, ICON_OFFSET_X, ICON_OFFSET_Y};
 
     protected NodeElement(Cascade c, MapImage mapImage, Symbol symbol, float defaultMajorZindex, RotationAngle rotationAngle) {
Index: trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/RepeatImageElement.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/RepeatImageElement.java	(revision 10237)
+++ trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/RepeatImageElement.java	(revision 10238)
@@ -22,4 +22,7 @@
     public float phase;
     public LineImageAlignment align;
+
+    private static final String[] REPEAT_IMAGE_KEYS = {REPEAT_IMAGE, REPEAT_IMAGE_WIDTH, REPEAT_IMAGE_HEIGHT, REPEAT_IMAGE_OPACITY,
+            null, null};
 
     public RepeatImageElement(Cascade c, MapImage pattern, float offset, float spacing, float phase, LineImageAlignment align) {
Index: trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/StyleElement.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/StyleElement.java	(revision 10237)
+++ trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/StyleElement.java	(revision 10238)
@@ -24,7 +24,4 @@
     protected static final int ICON_OFFSET_X_IDX = 4;
     protected static final int ICON_OFFSET_Y_IDX = 5;
-    protected static final String[] ICON_KEYS = {ICON_IMAGE, ICON_WIDTH, ICON_HEIGHT, ICON_OPACITY, ICON_OFFSET_X, ICON_OFFSET_Y};
-    protected static final String[] REPEAT_IMAGE_KEYS = {REPEAT_IMAGE, REPEAT_IMAGE_WIDTH, REPEAT_IMAGE_HEIGHT, REPEAT_IMAGE_OPACITY,
-            null, null};
 
     public float majorZIndex;
Index: trunk/src/org/openstreetmap/josm/plugins/PluginHandler.java
===================================================================
--- trunk/src/org/openstreetmap/josm/plugins/PluginHandler.java	(revision 10237)
+++ trunk/src/org/openstreetmap/josm/plugins/PluginHandler.java	(revision 10238)
@@ -220,5 +220,5 @@
      * List of unmaintained plugins. Not really up-to-date as the vast majority of plugins are not maintained after a few months, sadly...
      */
-    static final String[] UNMAINTAINED_PLUGINS = new String[] {
+    static final List<String> UNMAINTAINED_PLUGINS = Collections.unmodifiableList(Arrays.asList(
         "gpsbabelgui",
         "Intersect_way",
@@ -226,5 +226,5 @@
         "LaneConnector",           // See #11468, #11518, https://github.com/TrifanAdrian/LanecConnectorPlugin/issues/1
         "Remove.redundant.points"  // See #11468, #11518, https://github.com/bularcasergiu/RemoveRedundantPoints (not even created an issue...)
-    };
+    ));
 
     /**
@@ -1486,9 +1486,9 @@
      */
     public static Set<String> getDeprecatedAndUnmaintainedPlugins() {
-        Set<String> result = new HashSet<>(DEPRECATED_PLUGINS.size() + UNMAINTAINED_PLUGINS.length);
+        Set<String> result = new HashSet<>(DEPRECATED_PLUGINS.size() + UNMAINTAINED_PLUGINS.size());
         for (DeprecatedPlugin dp : DEPRECATED_PLUGINS) {
             result.add(dp.name);
         }
-        result.addAll(Arrays.asList(UNMAINTAINED_PLUGINS));
+        result.addAll(UNMAINTAINED_PLUGINS);
         return result;
     }