/**
  * Declares an association between this object and a ChildInvGroups object.
  *
  * @param  ChildInvGroups $v
  * @return $this|\EVE\InvTypes The current object (for fluent API support)
  * @throws PropelException
  */
 public function setInvGroups(ChildInvGroups $v = null)
 {
     if ($v === null) {
         $this->setGroupid(NULL);
     } else {
         $this->setGroupid($v->getGroupid());
     }
     $this->aInvGroups = $v;
     // Add binding for other direction of this n:n relationship.
     // If this object has already been added to the ChildInvGroups object, it will not be re-added.
     if ($v !== null) {
         $v->addInvTypes($this);
     }
     return $this;
 }
 /**
  * Exclude object from result
  *
  * @param   ChildInvGroups $invGroups Object to remove from the list of results
  *
  * @return $this|ChildInvGroupsQuery The current query, for fluid interface
  */
 public function prune($invGroups = null)
 {
     if ($invGroups) {
         $this->addUsingAlias(InvGroupsTableMap::COL_GROUPID, $invGroups->getGroupid(), Criteria::NOT_EQUAL);
     }
     return $this;
 }