private @Nullable ProblemDescriptor getValueOfProblem(@NotNull PsiExpressionList argList) {
      final CharArrayCreationArgument charArrayCreationArgument = CharArrayCreationArgument.from(argList);
      if (charArrayCreationArgument == null) return null;
      return myManager.createProblemDescriptor(charArrayCreationArgument.newExpression,
                                               new TextRange(0, charArrayCreationArgument.arrayInitializer.getStartOffsetInParent()),
                                               InspectionGadgetsBundle.message("inspection.redundant.string.new.array.message"),
                                               ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
                                               myIsOnTheFly,
                                               new UnwrapArrayInitializerFix(charArrayCreationArgument.initializer.getText()));
    }
private @Nullable ProblemDescriptor getValueOfProblem(@NotNull PsiExpressionList argList)