src/Agents/ExtractAgent.php
public function countGroup($group_name, $selection_name = 'group')
    {
        $selection = $this->newSelection($group_name, $selection_name);

        return $selection->count();
    }
public function countGroup($group_name, $selection_name = 'group')
    {
        $selection = $this->newSelection($group_name, $selection_name);

        return $selection->count();
    }
@param string $group_name
@param string $selection_name

@return int