private static @Nullable CharArrayCreationArgument from(@Nullable PsiExpressionList argList) {
      if (argList == null || argList.getExpressionCount() != 1) return null;
      final PsiExpression arg = PsiUtil.skipParenthesizedExprDown(argList.getExpressions()[0]);
      final PsiNewExpression newExpression = tryCast(arg, PsiNewExpression.class);
      if (newExpression == null) return null;
      final PsiArrayInitializerExpression arrayInitializer = newExpression.getArrayInitializer();
      if (arrayInitializer == null || !TypeUtils.typeEquals("char[]", newExpression.getType())) return null;
      final PsiExpression[] initializers = arrayInitializer.getInitializers();
      if (initializers.length != 1) return null;
      final PsiExpression initializer = initializers[0];
      final PsiType type = initializer.getType();
      if (!PsiTypes.charType().equals(type) && !TypeUtils.typeEquals(JAVA_LANG_CHARACTER, type)) return null;
      return new CharArrayCreationArgument(newExpression, arrayInitializer, initializer);
    }
private static @Nullable CharArrayCreationArgument from(@Nullable PsiExpressionList argList)