private String dump(Document doc, int indent, CauseItem parent) {
      String text = null;
      if (myTarget != null) {
        Segment range = myTarget.getRange();
        if (range != null) {
          text = doc.getText(TextRange.create(range));
          int lineNumber = doc.getLineNumber(range.getStartOffset());
          text += "; line#" + (lineNumber + 1);
        }
      }
      return StringUtil.repeat("  ", indent) + render(doc, parent) + (text == null ? "" : " (" + text + ")") + "\n" +
             StreamEx.of(myChildren).map(child -> child.dump(doc, indent + 1, this)).joining();
    }
private String dump(Document doc, int indent, CauseItem parent)