exposed NonLocalizable for consumption by others

core/src/main/java/hudson/model/HealthReport.java

@@ -27,6 +27,7 @@ import com.thoughtworks.xstream.converters.UnmarshallingContext;
 import hudson.diagnosis.OldDataMonitor;
 import hudson.util.XStream2;
 import jenkins.model.Jenkins;
+import jenkins.util.NonLocalizable;
 import org.jvnet.localizer.Localizable;
 import org.kohsuke.stapler.export.Exported;
 import org.kohsuke.stapler.export.ExportedBean;
@@ -319,40 +320,4 @@ public class HealthReport implements Serializable, Comparable<HealthReport> {
             }
         }
     }
-
-    /**
-     * In order to provide backwards compatibility, we use this crazy class to fake out localization.
-     */
-    private static class NonLocalizable extends Localizable {
-        /**
-         * The string that we don't know how to localize
-         */
-        private final String nonLocalizable;
-
-        /**
-         * Creates a non-localizable string.
-         *
-         * @param nonLocalizable the string.
-         */
-        public NonLocalizable(String nonLocalizable) {
-            super(null, null);
-            this.nonLocalizable = nonLocalizable;
-        }
-
-        /**
-         * {@inheritDoc}
-         */
-        @Override
-        public String toString(Locale locale) {
-            return nonLocalizable;
-        }
-
-        /**
-         * {@inheritDoc}
-         */
-        @Override
-        public String toString() {
-            return nonLocalizable;
-        }
-    }
 }

core/src/main/java/jenkins/util/NonLocalizable.java

+package jenkins.util;
+
+import org.jvnet.localizer.Localizable;
+
+import java.util.Locale;
+
+/**
+ * {@link Localizable} implementation that actually doesn't localize.
+ */
+public class NonLocalizable extends Localizable {
+    /**
+     * The string that we don't know how to localize
+     */
+    private final String nonLocalizable;
+
+    /**
+     * Creates a non-localizable string.
+     *
+     * @param nonLocalizable the string.
+     */
+    public NonLocalizable(String nonLocalizable) {
+        super(null, null);
+        this.nonLocalizable = nonLocalizable;
+    }
+
+    @Override
+    public String toString(Locale locale) {
+        return nonLocalizable;
+    }
+
+    @Override
+    public String toString() {
+        return nonLocalizable;
+    }
+}