Expanded class hierarchy of StreamOutput in Zircon Profile 8
- class \Symfony\Component\Console\Output\Output implements OutputInterface
- class \Symfony\Component\Console\Output\BufferedOutput
- class \Symfony\Component\Console\Output\StreamOutput
- class \Symfony\Component\Console\Output\ConsoleOutput implements ConsoleOutputInterface
- class \Symfony\Component\Console\Tests\Output\TestOutput