@NotNull
 public String getDisplayName() {
   return InspectionsBundle.message("inspection.javadoc.ref.display.name");
 }
 @NotNull
 public String getGroupDisplayName() {
   return InspectionsBundle.message("group.names.javadoc.issues");
 }
 private static String cannotResolveSymbolMessage(String params) {
   return InspectionsBundle.message("inspection.javadoc.problem.cannot.resolve", params);
 }