diff --git a/console.rst b/console.rst
index ad9bb8c16e6..f49296cd47f 100644
--- a/console.rst
+++ b/console.rst
@@ -181,8 +181,18 @@ which returns an instance of
{
protected function execute(InputInterface $input, OutputInterface $output)
{
+ // The section() method is only available in classes that implement ConsoleOutputInterface
+ if (!$output instanceof ConsoleOutputInterface) {
+ throw new LogicException(sprintf(
+ 'This command accepts only an instance of "%s", an instance of "%s" is given',
+ ConsoleOutputInterface::class,
+ \get_class($output)
+ ));
+ }
+
$section1 = $output->section();
$section2 = $output->section();
+
$section1->writeln('Hello');
$section2->writeln('World!');
// Output displays "Hello\nWorld!\n"
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