/**
  * Get all estimates
  *
  * @param string|integer $filter Filter name or id (advanced filters)
  * @param Subject $parent
  * @return ArrayObject
  * @throws InvalidFilterException
  */
 public function getAll($filter = null, Subject $parent = null)
 {
     return $this->connector->getAll(__NAMESPACE__, $filter, $parent);
 }
 /**
  * Get all contacts
  * 
  * @return ContactArray
  */
 public function getAll()
 {
     return $this->connector->getAll(__NAMESPACE__);
 }