/**
* Fetch the html code to display the field value in tooltip
*
* @param Tracker_Artifact $artifact
* @param Tracker_Artifact_ChangesetValue_Integer $value The changeset value of this field
* @return string The html code to display the field value in tooltip
*/
protected function fetchTooltipValue(Tracker_Artifact $artifact, Tracker_Artifact_ChangesetValue $value = null)
{
$html = '';
$html .= $artifact->getPerTrackerArtifactId();
return $html;
}