public void deleteSecGroupMemberByClusterIdx(
     CFSecurityAuthorization Authorization, CFSecuritySecGroupMemberByClusterIdxKey argKey) {
   CFSecuritySecGroupMemberBuff cur;
   LinkedList<CFSecuritySecGroupMemberBuff> matchSet =
       new LinkedList<CFSecuritySecGroupMemberBuff>();
   Iterator<CFSecuritySecGroupMemberBuff> values = dictByPKey.values().iterator();
   while (values.hasNext()) {
     cur = values.next();
     if (argKey.equals(cur)) {
       matchSet.add(cur);
     }
   }
   Iterator<CFSecuritySecGroupMemberBuff> iterMatch = matchSet.iterator();
   while (iterMatch.hasNext()) {
     cur = iterMatch.next();
     deleteSecGroupMember(Authorization, cur);
   }
 }