private function getChannelList()
    {
        if (empty($this->channelList)) {
            $response = $this->makeRequest('GET', 'get_rubric_object_list.json', []);
            $this->channelList = $this->deserialize($response->getBody()->getContents(), ChannelList::class);
        }

        return $this->channelList;
    }
private function getChannelList()
    {
        if (empty($this->channelList)) {
            $response = $this->makeRequest('GET', 'get_rubric_object_list.json', []);
            $this->channelList = $this->deserialize($response->getBody()->getContents(), ChannelList::class);
        }

        return $this->channelList;
    }
private function getChannelList ( ) { if ( empty ( $ this -> channelList ) ) { $ response = $ this -> makeRequest ( 'GET' , 'get_rubric_object_list.json' , [ ] ) ; $ this -> channelList = $ this -> deserialize ( $ response -> getBody ( ) -> getContents ( ) , ChannelList :: class ) ; } return $ this -> channelList ; }
Returns ChannelList containing all channels belonging to the video manager.

@return ChannelList
Returns ChannelList containing all channels belonging to the video manager .