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diff --git a/vendor/drush/drush/commands/core/image.drush.inc b/vendor/drush/drush/commands/core/image.drush.inc
new file mode 100644
index 000000000..e4bb4f991
--- /dev/null
+++ b/vendor/drush/drush/commands/core/image.drush.inc
@@ -0,0 +1,130 @@
+<?php
+
+/**
+ * @file
+ *  Image module's drush integration.
+ *
+ *  @todo image-build($field_name, $bundle, $style_name)
+ */
+
+use Drush\Log\LogLevel;
+
+/**
+ * Implementation of hook_drush_command().
+ */
+function image_drush_command() {
+  $items['image-flush'] = array(
+    'description' => 'Flush all derived images for a given style.',
+    'core' => array('7+'),
+    'arguments' => array(
+      'style' => 'An image style machine name. If not provided, user may choose from a list of names.',
+    ),
+    'options' => array(
+      'all' => 'Flush all derived images',
+    ),
+    'examples' => array(
+      'drush image-flush' => 'Pick an image style and then delete its images.',
+      'drush image-flush thumbnail' => 'Delete all thumbnail images.',
+      'drush image-flush --all' => 'Flush all derived images. They will be regenerated on the fly.',
+    ),
+    'aliases' => array('if'),
+  );
+  $items['image-derive'] = array(
+    'description' => 'Create an image derivative.',
+    'core' => array('7+'),
+    'drupal dependencies' => array('image'),
+    'arguments' => array(
+      'style' => 'An image style machine name.',
+      'source' => 'Path to a source image. Optionally prepend stream wrapper scheme.',
+    ),
+    'required arguments' => TRUE,
+    'options' => array(),
+    'examples' => array(
+      'drush image-derive thumbnail themes/bartik/logo.png' => 'Save thumbnail sized derivative of logo image.',
+    ),
+    'aliases' => array('id'),
+  );
+  return $items;
+}
+
+/**
+ * Implements hook_drush_help_alter().
+ */
+function image_drush_help_alter(&$command) {
+  // Drupal 8+ customizations.
+  if ($command['command'] == 'image-derive' && drush_drupal_major_version() >= 8) {
+    unset($command['examples']);
+    $command['examples']['drush image-derive thumbnail core/themes/bartik/logo.png'] = 'Save thumbnail sized derivative of logo image.';
+  }
+}
+
+/**
+ * Command argument complete callback.
+ *
+ * @return
+ *   Array of available configuration files for editing.
+ */
+function image_image_flush_complete() {
+  drush_bootstrap(DRUSH_BOOTSTRAP_DRUPAL_FULL);
+  drush_include_engine('drupal', 'image');
+  return array('values' => array_keys(drush_image_styles()));
+}
+
+function drush_image_flush_pre_validate($style_name = NULL) {
+  drush_include_engine('drupal', 'image');
+  if (!empty($style_name) && !$style = drush_image_style_load($style_name)) {
+    return drush_set_error(dt('Image style !style not recognized.', array('!style' => $style_name)));
+  }
+}
+
+function drush_image_flush($style_name = NULL) {
+  drush_include_engine('drupal', 'image');
+  if (drush_get_option('all')) {
+    $style_name = 'all';
+  }
+
+  if (empty($style_name)) {
+    $styles = array_keys(drush_image_styles());
+    $choices = array_combine($styles, $styles);
+    $choices = array_merge(array('all' => 'all'), $choices);
+    $style_name = drush_choice($choices, dt("Choose a style to flush."));
+    if ($style_name === FALSE) {
+      return drush_user_abort();
+    }
+  }
+
+  if ($style_name == 'all') {
+    foreach (drush_image_styles() as $style_name => $style) {
+      drush_image_flush_single($style_name);
+    }
+    drush_log(dt('All image styles flushed'), LogLevel::SUCCESS);
+  }
+  else {
+    drush_image_flush_single($style_name);
+  }
+}
+
+function drush_image_derive_validate($style_name, $source) {
+  drush_include_engine('drupal', 'image');
+  if (!$style = drush_image_style_load($style_name)) {
+    return drush_set_error(dt('Image style !style not recognized.', array('!style' => $style_name)));
+  }
+
+  if (!file_exists($source)) {
+    return drush_set_error(dt('Source file not found - !file.', array('!file' => $source)));
+  }
+}
+
+/*
+ * Command callback. Create an image derivative.
+ *
+ * @param string $style_name
+ *   The name of an image style.
+ *
+ * @param string $source
+ *   The path to a source image, relative to Drupal root.
+ */
+function drush_image_derive($style_name, $source) {
+  drush_include_engine('drupal', 'image');
+  return _drush_image_derive($style_name, $source);
+}