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diff --git a/vendor/drupal/console-core/src/Command/Yaml/SplitCommand.php b/vendor/drupal/console-core/src/Command/Yaml/SplitCommand.php
new file mode 100644
index 000000000..bc2614546
--- /dev/null
+++ b/vendor/drupal/console-core/src/Command/Yaml/SplitCommand.php
@@ -0,0 +1,239 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Console\Core\Command\Yaml\SplitCommand.
+ */
+
+namespace Drupal\Console\Core\Command\Yaml;
+
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Yaml\Dumper;
+use Symfony\Component\Yaml\Parser;
+use Symfony\Component\Console\Command\Command;
+use Drupal\Console\Core\Command\Shared\CommandTrait;
+use Drupal\Console\Core\Style\DrupalStyle;
+use Drupal\Console\Core\Utils\NestedArray;
+
+class SplitCommand extends Command
+{
+    use CommandTrait;
+
+     /**
+      * @var NestedArray
+      */
+    protected $nestedArray;
+
+    /**
+     * SplitCommand constructor.
+     * @param NestedArray $nestedArray
+     */
+    public function __construct(NestedArray $nestedArray)
+    {
+        $this->nestedArray = $nestedArray;
+        parent::__construct();
+    }
+
+    protected function configure()
+    {
+        $this
+            ->setName('yaml:split')
+            ->setDescription($this->trans('commands.yaml.split.description'))
+            ->addArgument(
+                'yaml-file',
+                InputArgument::REQUIRED,
+                $this->trans('commands.yaml.split.value.arguments.yaml-file')
+            )
+            ->addOption(
+                'indent-level',
+                false,
+                InputOption::VALUE_REQUIRED,
+                $this->trans('commands.yaml.split.options.indent-level')
+            )
+            ->addOption(
+                'file-output-prefix',
+                false,
+                InputOption::VALUE_REQUIRED,
+                $this->trans('commands.yaml.split.options.file-output-prefix')
+            )
+            ->addOption(
+                'file-output-suffix',
+                false,
+                InputOption::VALUE_REQUIRED,
+                $this->trans('commands.yaml.split.options.file-output-suffix')
+            )
+            ->addOption(
+                'starting-key',
+                false,
+                InputOption::VALUE_REQUIRED,
+                $this->trans('commands.yaml.split.options.starting-key')
+            )
+            ->addOption(
+                'exclude-parents-key',
+                false,
+                InputOption::VALUE_NONE,
+                $this->trans('commands.yaml.split.options.exclude-parents-key')
+            );
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $io = new DrupalStyle($input, $output);
+
+        $yaml = new Parser();
+
+        $yaml_file = $input->getArgument('yaml-file');
+        $indent_level = $input->getOption('indent-level');
+        $exclude_parents_key = $input->getOption('exclude-parents-key');
+        $starting_key = $input->getOption('starting-key');
+        $file_output_prefix = $input->getOption('file-output-prefix');
+        $file_output_suffix = $input->getOption('file-output-suffix');
+
+        if ($exclude_parents_key == 1 || $exclude_parents_key == 'TRUE') {
+            $exclude_parents_key = true;
+        } else {
+            $exclude_parents_key = false;
+        }
+
+        try {
+            $yaml_file_parsed = $yaml->parse(file_get_contents($yaml_file));
+
+            if (empty($yaml_file_parsed)) {
+                $io->error(
+                    sprintf(
+                        $this->trans('commands.yaml.merge.messages.wrong-parse'),
+                        $yaml_file
+                    )
+                );
+
+                return;
+            }
+        } catch (\Exception $e) {
+            $io->error(
+                sprintf(
+                    '%s: %s',
+                    $this->trans('commands.yaml.merge.messages.error-parsing'),
+                    $e->getMessage()
+                )
+            );
+
+            return;
+        }
+
+        if ($starting_key) {
+            $parents = explode(".", $starting_key);
+            if ($this->nestedArray->keyExists($yaml_file_parsed, $parents)) {
+                $yaml_file_parsed = $this->nestedArray->getValue($yaml_file_parsed, $parents);
+            } else {
+                $io->error($this->trans('commands.yaml.merge.messages.invalid-key'));
+            }
+
+            if ($indent_level == 0) {
+                $yaml_split[$starting_key] = $yaml_file_parsed;
+            }
+        } else {
+            // Set minimum level to split
+            $indent_level = empty($indent_level) ? 1 : $indent_level;
+
+            $yaml_split = array();
+            $key_flatten = '';
+            $initial_level = 1;
+
+            $this->nestedArray->yamlSplitArray($yaml_file_parsed, $yaml_split, $indent_level, $key_flatten, $initial_level, $exclude_parents_key);
+        }
+
+        $this->writeSplittedFile($yaml_split, $file_output_prefix, $file_output_suffix, $io);
+    }
+
+    protected function writeSplittedFile($yaml_splitted, $file_output_prefix = '', $file_output_suffix = '', DrupalStyle $io)
+    {
+        $dumper = new Dumper();
+
+        $io->info($this->trans('commands.yaml.split.messages.generating-split'));
+
+        foreach ($yaml_splitted as $key => $value) {
+            if ($file_output_prefix) {
+                $key = $file_output_prefix .  '.' . $key;
+            }
+
+            if ($file_output_suffix) {
+                $key.= '.' . $file_output_suffix;
+            }
+            $filename = $key . '.yml';
+
+            try {
+                $yaml = $dumper->dump($value, 10);
+            } catch (\Exception $e) {
+                $io->error(
+                    sprintf(
+                        '%s: %s',
+                        $this->trans('commands.yaml.merge.messages.error-generating'),
+                        $e->getMessage()
+                    )
+                );
+
+                return;
+            }
+
+            try {
+                file_put_contents($filename, $yaml);
+            } catch (\Exception $e) {
+                $io->error(
+                    sprintf(
+                        '%s: %s',
+                        $this->trans('commands.yaml.merge.messages.error-writing'),
+                        $e->getMessage()
+                    )
+                );
+
+                return;
+            }
+
+            $io->success(
+                sprintf(
+                    $this->trans('commands.yaml.split.messages.split-generated'),
+                    $filename
+                )
+            );
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function interact(InputInterface $input, OutputInterface $output)
+    {
+        $io = new DrupalStyle($input, $output);
+
+        $validator_filename = function ($value) use ($io) {
+            if (!strlen(trim($value)) || !is_file($value)) {
+                $io->error($this->trans('commands.common.errors.invalid-file-path'));
+
+                return false;
+            }
+
+            return $value;
+        };
+
+        // --yaml-left option
+        $yaml_file = $input->getArgument('yaml-file');
+        if (!$yaml_file) {
+            while (true) {
+                $yaml_file = $io->ask(
+                    $this->trans('commands.yaml.diff.questions.yaml-left'),
+                    '',
+                    $validator_filename
+                );
+
+                if ($yaml_file) {
+                    break;
+                }
+            }
+
+            $input->setArgument('yaml-file', $yaml_file);
+        }
+    }
+}