public LanguageManager::getLanguageName($langcode)

The language object used to override configuration data. Type:

The language negotiator. Type:

An array of allowed language types. If a language negotiation plugin does not specify which language types it should be used with, it will be

public ConfigurableLanguageInterfac

The human readable English name. Type: string File

Configuration object. Type:

Defines a language negotiation annotation object. Plugin Namespace: Plugin\LanguageNegotiation For a working

public LanguageFormBase::validateCommon(array $form,

protected static LanguageConfiguration: