private static boolean shouldSkipLine(final PsiFile file, Document doc, int line) {
    final int start = doc.getLineStartOffset(line);
    final int end = doc.getLineEndOffset(line);
    final int _start = CharArrayUtil.shiftForward(doc.getCharsSequence(), start, " \n\t");
    if (_start >= end) {
      return true;
    }

    TextRange alreadyChecked = null;
    for (PsiElement elem = file.findElementAt(_start); elem != null && elem.getTextOffset() <= end && (alreadyChecked == null || !alreadyChecked.contains(elem.getTextRange())); elem = elem.getNextSibling()) {
      for (PsiElement _elem = elem; _elem.getTextOffset() >= _start; _elem = _elem.getParent()) {
        alreadyChecked = _elem.getTextRange();

        if (_elem instanceof PsiDeclarationStatement) {
          final PsiElement[] declared = ((PsiDeclarationStatement)_elem).getDeclaredElements();
          for (PsiElement declaredElement : declared) {
            if (declaredElement instanceof PsiVariable) {
              return false;
            }
          }
        }

        if (_elem instanceof PsiJavaCodeReferenceElement) {
          try {
            final PsiElement resolved = ((PsiJavaCodeReferenceElement)_elem).resolve();
            if (resolved instanceof PsiVariable) {
              return false;
            }
          }
          catch (IndexNotReadyException e) {
            return false;
          }
        }
      }
    }
    return true;
  }
private static boolean shouldSkipLine(final PsiFile file, Document doc, int line)