7 files declare their use of BufferedOutput in Zircon Profile 8

AbstractDescriptorTest.php in vendor/symfony/console/Tests/Descriptor/AbstractDescriptorTest.php

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

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

DummyOutput.php in vendor/symfony/console/Tests/Fixtures/DummyOutput.php

InputDefinition.php in vendor/symfony/console/Input/InputDefinition.php

JsonDescriptorTest.php in vendor/symfony/console/Tests/Descriptor/JsonDescriptorTest.php

SymfonyStyle.php in vendor/symfony/console/Style/SymfonyStyle.php