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diff --git a/vendor/drush/drush/src/Drupal/Commands/core/StateCommands.php b/vendor/drush/drush/src/Drupal/Commands/core/StateCommands.php
new file mode 100644
index 000000000..f1b0b3f29
--- /dev/null
+++ b/vendor/drush/drush/src/Drupal/Commands/core/StateCommands.php
@@ -0,0 +1,157 @@
+<?php
+
+namespace Drush\Drupal\Commands\core;
+
+use Consolidation\OutputFormatters\StructuredData\PropertyList;
+use Drupal\Core\State\StateInterface;
+use Drush\Commands\DrushCommands;
+use Symfony\Component\Yaml\Yaml;
+
+class StateCommands extends DrushCommands
+{
+
+    protected $state;
+
+    public function __construct(StateInterface $state)
+    {
+        $this->state = $state;
+    }
+
+    /**
+     * @return \Drupal\Core\State\StateInterface
+     */
+    public function getState()
+    {
+        return $this->state;
+    }
+
+    /**
+     * Display a state value.
+     *
+     * @command state:get
+     *
+     * @param string $key The key name.
+     * @usage drush state:get system.cron_last
+     *   Displays last cron run timestamp
+     * @aliases sget,state-get
+     *
+     * @return \Consolidation\OutputFormatters\StructuredData\PropertyList
+     */
+    public function get($key, $options = ['format' => 'string'])
+    {
+        $value = $this->getState()->get($key);
+        return new PropertyList([$key => $value]);
+    }
+
+    /**
+     * Set a state value.
+     *
+     * @command state:set
+     *
+     * @param string $key The state key, for example: system.cron_last.
+     * @param mixed $value The value to assign to the state key. Use '-' to read from STDIN.
+     * @option input-format Type for the value. Defaults to 'auto'. Other recognized values: string, integer float, boolean, json, yaml.
+     * @option value For internal use only.
+     * @hidden-options value
+     * @usage drush sset system.maintenance_mode 1 --input-format=integer
+     *  Put site into Maintenance mode.
+     * @usage drush state:set system.cron_last 1406682882 --input-format=integer
+     *  Sets a timestamp for last cron run.
+     * @usage php -r "print json_encode(array(\'drupal\', \'simpletest\'));"  | drush state-set --input-format=json foo.name -
+     *   Set a key to a complex value (e.g. array)
+     * @aliases sset,state-set
+     *
+     * @return void
+     */
+    public function set($key, $value, $options = ['input-format' => 'auto', 'value' => self::REQ])
+    {
+        // A convenient way to pass a multiline value within a backend request.
+        $value = $options['value'] ?: $value;
+
+        if (!isset($value)) {
+            throw new \Exception(dt('No state value specified.'));
+        }
+
+        // Special flag indicating that the value has been passed via STDIN.
+        if ($value === '-') {
+            $value = stream_get_contents(STDIN);
+        }
+
+        // If the value is a string (usual case, unless we are called from code),
+        // then format the input.
+        if (is_string($value)) {
+            $value = $this->format($value, $options['input-format']);
+        }
+
+        $this->getState()->set($key, $value);
+    }
+
+    /**
+     * Delete a state entry.
+     *
+     * @command state:delete
+     *
+     * @param string $key The state key, for example "system.cron_last".
+     * @usage drush state:del system.cron_last
+     *   Delete state entry for system.cron_last.
+     * @aliases sdel,state-delete
+     *
+     * @return void
+     */
+    public function delete($key)
+    {
+        $this->getState()->delete($key);
+    }
+
+  /*
+   * Cast a value according to the provided format
+   *
+   * @param mixed $value.
+   * @param string $format
+   *   Allowed values: auto, integer, float, bool, boolean, json, yaml.
+   *
+   * @return $value
+   *  The value, casted as needed.
+   */
+    public static function format($value, $format)
+    {
+        if ($format == 'auto') {
+            if (is_numeric($value)) {
+                $value = $value + 0; // http://php.net/manual/en/function.is-numeric.php#107326
+                $format = gettype($value);
+            } elseif (($value == 'TRUE') || ($value == 'FALSE')) {
+                $format = 'bool';
+            }
+        }
+
+        // Now, we parse the object.
+        switch ($format) {
+            case 'integer':
+                $value = (integer)$value;
+                break;
+            // from: http://php.net/gettype
+            // for historical reasons "double" is returned in case of a float, and not simply "float"
+            case 'double':
+            case 'float':
+                $value = (float)$value;
+                break;
+            case 'bool':
+            case 'boolean':
+                if ($value == 'TRUE') {
+                     $value = true;
+                } elseif ($value == 'FALSE') {
+                    $value = false;
+                } else {
+                    $value = (bool)$value;
+                }
+                break;
+            case 'json':
+                $value = json_decode($value, true);
+                break;
+            case 'yaml':
+                $value = Yaml::parse($value, false, true);
+                break;
+        }
+        return $value;
+    }
+}