comando ./vendor/bin/phan --allow-polyfill-parser src/Buscador.php

config.php

<?php

/**
 * This configuration will be read and overlaid on top of the
 * default configuration. Command line arguments will be applied
 * after this file is read.
 */
return [

    "target_php_version" => '8.3',

    'directory_list' => [
        'src',
        'vendor/symfony/console',
        'vendor/symfony/dom-crawler',
        'vendor/guzzlehttp/guzzle',
        'vendor/psr/http-message/',
    ],
    "exclude_analysis_directory_list" => [
        'vendor/'
    ],
    'plugins' => [
        'AlwaysReturnPlugin',
        'DollarDollarPlugin',
        'DuplicateArrayKeyPlugin',
        'DuplicateExpressionPlugin',
        'PregRegexCheckerPlugin',
        'PrintfCheckerPlugin',
        'SleepCheckerPlugin',
        // Checks for syntactically unreachable statements in
        // the global scope or function bodies.
        'UnreachableCodePlugin',
        'UseReturnValuePlugin',
        'EmptyStatementListPlugin',
        'LoopVariableReusePlugin',
    ],
];

estrutura de pastas:

erro:

   analyze ████████████████████████████████████████████████████████████ 100.0% 33MB/34MB
src/Buscador.php:10 PhanUndeclaredTypeProperty Property \Alura\BuscadorCursos\Buscador->httpClient has undeclared type \GuzzleHttp\ClientInterface
src/Buscador.php:11 PhanUndeclaredTypeProperty Property \Alura\BuscadorCursos\Buscador->crawler has undeclared type \Symfony\Component\DomCrawler\Crawler
src/Buscador.php:13 PhanUndeclaredTypeParameter Parameter $crawler has undeclared type \Symfony\Component\DomCrawler\Crawler
src/Buscador.php:13 PhanUndeclaredTypeParameter Parameter $httpClient has undeclared type \GuzzleHttp\ClientInterface
src/Buscador.php:22 PhanUndeclaredClassMethod Call to method request from undeclared class \GuzzleHttp\ClientInterface
src/Buscador.php:26 PhanUndeclaredClassMethod Call to method addHtmlContent from undeclared class \Symfony\Component\DomCrawler\Crawler
src/Buscador.php:28 PhanUndeclaredClassMethod Call to method filter from undeclared class \Symfony\Component\DomCrawler\Crawler
infoshop@Mac-mini-de-Infoshop buscador-cursos-alura % ./vendor/bin/phan --allow-polyfill-parser src/Buscador.php      

Por que ainda não é reconhecido as classes, poderia me ajudar ? agradeço.