6 files declare their use of FormatterHelper in Zircon Profile 8.0

Application.php in vendor/symfony/console/Application.php

ApplicationTest.php in vendor/symfony/console/Tests/ApplicationTest.php

CommandTest.php in vendor/symfony/console/Tests/Command/CommandTest.php

FormatterHelperTest.php in vendor/symfony/console/Tests/Helper/FormatterHelperTest.php

LegacyDialogHelperTest.php in vendor/symfony/console/Tests/Helper/LegacyDialogHelperTest.php

QuestionHelperTest.php in vendor/symfony/console/Tests/Helper/QuestionHelperTest.php