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diff --git a/web/modules/contrib/linkit/src/Plugin/Linkit/Matcher/UserMatcher.php b/web/modules/contrib/linkit/src/Plugin/Linkit/Matcher/UserMatcher.php
new file mode 100644
index 000000000..94a462a93
--- /dev/null
+++ b/web/modules/contrib/linkit/src/Plugin/Linkit/Matcher/UserMatcher.php
@@ -0,0 +1,117 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\linkit\Plugin\Linkit\Matcher\UserMatcher.
+ */
+
+namespace Drupal\linkit\Plugin\Linkit\Matcher;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\user\RoleInterface;
+
+/**
+ * @Matcher(
+ *   id = "entity:user",
+ *   target_entity = "user",
+ *   label = @Translation("User"),
+ *   provider = "user"
+ * )
+ */
+class UserMatcher extends EntityMatcher {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getSummary() {
+    $summery = parent::getSummary();
+
+    $roles = !empty($this->configuration['roles']) ? $this->configuration['roles'] : ['None'];
+    $summery[] = $this->t('Role filter: @role_filter', [
+      '@role_filter' => implode(', ', $roles),
+    ]);
+
+    $summery[] = $this->t('Include blocked users: @include_blocked', [
+      '@include_blocked' => $this->configuration['include_blocked'] ? $this->t('Yes') : $this->t('No'),
+    ]);
+
+    return $summery;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function defaultConfiguration() {
+    return parent::defaultConfiguration() + [
+      'roles' => [],
+      'include_blocked' => FALSE,
+    ];
+  }
+
+
+  /**
+   * {@inheritdoc}
+   */
+  public function calculateDependencies() {
+    return parent::calculateDependencies() + [
+      'module' => ['user'],
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+    $form = parent::buildConfigurationForm($form, $form_state);
+
+    $form['roles'] = array(
+      '#type' => 'checkboxes',
+      '#title' => $this->t('Restrict to the selected roles'),
+      '#options' => array_diff_key(user_role_names(TRUE), array(RoleInterface::AUTHENTICATED_ID => RoleInterface::AUTHENTICATED_ID)),
+      '#default_value' =>  $this->configuration['roles'],
+      '#description' => $this->t('If none of the checkboxes is checked, allow all roles.'),
+      '#element_validate' => [[get_class($this), 'elementValidateFilter']],
+    );
+
+    $form['include_blocked'] = [
+      '#title' => t('Include blocked user'),
+      '#type' => 'checkbox',
+      '#default_value' => $this->configuration['include_blocked'],
+      '#description' => t('In order to see blocked users, the requesting user must also have permissions to do so.'),
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
+    parent::submitConfigurationForm($form, $form_state);
+
+    $this->configuration['roles'] = $form_state->getValue('roles');
+    $this->configuration['include_blocked'] = $form_state->getValue('include_blocked');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function buildEntityQuery($match) {
+    $query = parent::buildEntityQuery($match);
+
+    $match = $this->database->escapeLike($match);
+    // The user entity don't specify a label key so we have to do it instead.
+    $query->condition('name', '%' . $match . '%', 'LIKE');
+
+    // Filter by role.
+    if (!empty($this->configuration['roles'])) {
+      $query->condition('roles', $this->configuration['roles'], 'IN');
+    }
+
+    if ($this->configuration['include_blocked'] !== TRUE || !$this->currentUser->hasPermission('administer users')) {
+      $query->condition('status', 1);
+    }
+
+    return $query;
+  }
+
+}