lib/Github/Api/CurrentUser/Notifications.php
public function markAsReadInRepository($username, $repository, array $params = [])
    {
        return $this->put('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/notifications', $params);
    }
public function markAsReadInRepository($username, $repository, array $params = [])
    {
        return $this->put('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/notifications', $params);
    }
public function markAsReadInRepository ( $ username , $ repository , array $ params = [ ] ) { return $ this -> put ( '/repos/' . rawurlencode ( $ username ) . '/' . rawurlencode ( $ repository ) . '/notifications' , $ params ) ; }
Mark all notifications for a repository as read.

@link http://developer.github.com/v3/activity/notifications/#mark-notifications-as-read-in-a-repository

@param string $username   the user who owns the repo
@param string $repository the name of the repo
@param array  $params

@return array
Mark all notifications for a repository as read .