@Override
    public String getValue(int lineNumber) {
      if (lineNumber >= myLines.size() || lineNumber < 0) {
        return "";
      }
      HgAnnotationLine annotationLine = myLines.get(lineNumber);
      return myAspectType == FIELD.REVISION
             ? annotationLine.getVcsRevisionNumber().asString()
             : annotationLine.get(myAspectType).toString();
    }
@Override
    public String getValue(int lineNumber)