Add TODOs

src/Composer/Command/BaseCommand.php

@@ -190,6 +190,8 @@ abstract class BaseCommand extends Command
      * @inheritdoc
      *
      * Backport suggested values definition from symfony/console 6.1+
+     *
+     * TODO drop when PHP 8.1 / symfony 6.1+ can be required
      */
     public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
     {

src/Composer/Console/Input/InputArgument.php

@@ -25,6 +25,8 @@ use Symfony\Component\Console\Input\InputArgument as BaseInputArgument;
  * @author Jérôme Tamarelle <jerome@tamarelle.net>
  *
  * @internal
+ *
+ * TODO drop when PHP 8.1 / symfony 6.1+ can be required
  */
 class InputArgument extends BaseInputArgument
 {

src/Composer/Console/Input/InputOption.php

@@ -25,6 +25,8 @@ use Symfony\Component\Console\Input\InputOption as BaseInputOption;
  * @author Jérôme Tamarelle <jerome@tamarelle.net>
  *
  * @internal
+ *
+ * TODO drop when PHP 8.1 / symfony 6.1+ can be required
  */
 class InputOption extends BaseInputOption
 {