/**
  * @return array
  */
 private function getDiamanteUsers()
 {
     return static::$_api->getDiamanteUsers();
 }
 /**
  * Set current page
  *
  * @param   int $page
  * @return  Varien_Data_Collection
  */
 public function setCurPage($page)
 {
     $this->_curPage = $page;
     $this->_api->addFilter('page', $page);
     return $this;
 }