/**
  * Load a single IssueFieldValue object,
  * by IssueId, IssueFieldId Index(es)
  * @param integer $intIssueId
  * @param integer $intIssueFieldId
  * @return IssueFieldValue
  */
 public static function LoadByIssueIdIssueFieldId($intIssueId, $intIssueFieldId)
 {
     return IssueFieldValue::QuerySingle(QQ::AndCondition(QQ::Equal(QQN::IssueFieldValue()->IssueId, $intIssueId), QQ::Equal(QQN::IssueFieldValue()->IssueFieldId, $intIssueFieldId)));
 }