--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.options/src/org/graalvm/compiler/options/OptionDescriptor.java	2019-03-09 03:57:17.725170869 +0100
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.options/src/org/graalvm/compiler/options/OptionDescriptor.java	2019-03-09 03:57:17.357168267 +0100
@@ -34,14 +34,14 @@
  */
 public final class OptionDescriptor {
 
-    protected final String name;
-    protected final OptionType optionType;
-    protected final Class<?> optionValueType;
-    protected final String help;
-    protected final List<String> extraHelp;
-    protected final OptionKey<?> optionKey;
-    protected final Class<?> declaringClass;
-    protected final String fieldName;
+    private final String name;
+    private final OptionType optionType;
+    private final Class<?> optionValueType;
+    private final String help;
+    private final List<String> extraHelp;
+    private final OptionKey<?> optionKey;
+    private final Class<?> declaringClass;
+    private final String fieldName;
 
     private static final String[] NO_EXTRA_HELP = {};