List identifiable languages

Obtain a list of Languages that Watson is able to identify

<?php

namespace App\Http\Controllers;

...
use FindBrok\WatsonTranslate\Contracts\TranslatorInterface as WatsonTranslator;

class IndexController extends Controller
{
    /**
     * List identifiable languages
     *
     * @param WatsonTranslator $translator
     */
     public function listIdentifiable(WatsonTranslator $translator)
     {
         //Get list of identifieable languages
         $results = $translator->listLanguages()->collectResults();
         /*outputs
           Collection {#157 ▼
               #items: array:1 [▼
                   "languages" => array:62 [▼
                        0 => array:2 [▼
                            "language" => "af"
                            "name" => "Afrikaans"
                        ]
                        1 => array:2 [▼
                            "language" => "ar"
                            "name" => "Arabic"
                        ]
                        ...
         */
      }
}

You can get only languages names

//Get only languages names as array
$results = $translator->listLanguages()->languagesNames();

//Get only languages names as collection
$results = $translator->listLanguages()->languagesNames(true);

You also can get only the languages codes

//Get only languages codes as array
$results = $translator->listLanguages()->languagesCodes();

//Get only languages codes as collection
$results = $translator->listLanguages()->languagesCodes(true);