There is no extension able to load the configuration for "_translation_webui" code example

Example 1: There is no extension able to load the configuration for "_translation_webui"

# config/bundles.php
return [
    // ...
    Translation\Bundle\TranslationBundle::class => ['all' => true],
];

Example 2: There is no extension able to load the configuration for "_translation_webui"

# config/packages/php_translation.yaml
translation:
    locales: ["en"]
    edit_in_place:
        enabled: false
        config_name: app
    configs:
        app:
            dirs: ["%kernel.project_dir%/templates", "%kernel.project_dir%/src"]
            output_dir: "%kernel.project_dir%/translations"
            excluded_names: ["*TestCase.php", "*Test.php"]
            excluded_dirs: [cache, data, logs]

Example 3: There is no extension able to load the configuration for "_translation_webui"

# config/packages/dev/php_translation.yaml
translation:
    symfony_profiler:
        enabled: true
    webui:
        enabled: true

Example 4: There is no extension able to load the configuration for "_translation_webui"

# config/routes/dev/php_translation.yaml
_translation_webui:
    resource: "@TranslationBundle/Resources/config/routing_webui.yaml"
    prefix:  /admin

_translation_profiler:
    resource: '@TranslationBundle/Resources/config/routing_symfony_profiler.yaml'