11 string references to language.default in Drupal 10

ConfigurableLanguage::getDefaultLangcode in core/modules/language/src/Entity/ConfigurableLanguage.php

Gets the default langcode.

EntityViewBuilderTest::testViewField in core/tests/Drupal/KernelTests/Core/Entity/EntityViewBuilderTest.php

Tests EntityViewBuilder::viewField() language awareness.

HelpTopicSection::create in core/modules/help_topics/src/Plugin/HelpSection/HelpTopicSection.php

InstallerTestBase::setUp in core/tests/Drupal/FunctionalTests/Installer/InstallerTestBase.php

install_begin_request in core/includes/install.core.inc

Begins an installation request, modifying the installation state as needed.

install_download_additional_translations_operations in core/includes/install.core.inc

Prepares the system for import and downloads additional translations.

Language::getDefaultLangcode in core/lib/Drupal/Core/Language/Language.php

Gets the default langcode.

LanguageUnitTest::testIsDefault in core/tests/Drupal/Tests/Core/Language/LanguageUnitTest.php

@covers ::isDefault

LocaleConfigurableLanguageManagerTest::testGetLanguages in core/modules/locale/tests/src/Kernel/LocaleConfigurableLanguageManagerTest.php

RouteProviderTest::testRouteCaching in core/tests/Drupal/KernelTests/Core/Routing/RouteProviderTest.php

Tests that route caching works.

UpdatePathTestBase::runDbTasks in core/tests/Drupal/FunctionalTests/Update/UpdatePathTestBase.php

Runs the install database tasks for the driver used by the test runner.