8 files declare their use of HelperSet in Zircon Profile 8

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

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

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

DebugHandlersListenerTest.php in vendor/symfony/http-kernel/Tests/EventListener/DebugHandlersListenerTest.php

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

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

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

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