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diff --git a/web/modules/contrib/ctools/src/Form/ManageResolverRelationships.php b/web/modules/contrib/ctools/src/Form/ManageResolverRelationships.php
new file mode 100644
index 000000000..7dfff5982
--- /dev/null
+++ b/web/modules/contrib/ctools/src/Form/ManageResolverRelationships.php
@@ -0,0 +1,205 @@
+<?php
+
+namespace Drupal\ctools\Form;
+
+use Drupal\Component\Serialization\Json;
+use Drupal\Core\Ajax\AjaxResponse;
+use Drupal\Core\Ajax\OpenModalDialogCommand;
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormBuilderInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Url;
+
+abstract class ManageResolverRelationships extends FormBase {
+
+  /**
+   * @var string
+   */
+  protected $machine_name;
+
+  /**
+   * An array of property types that are eligible as relationships.
+   *
+   * @var array
+   */
+  protected $property_types = [];
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'ctools_manage_resolver_relationships_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $cached_values = $form_state->getTemporaryValue('wizard');
+    $this->machine_name = $cached_values['id'];
+    $form['items'] = array(
+      '#type' => 'markup',
+      '#prefix' => '<div id="configured-relationships">',
+      '#suffix' => '</div>',
+      '#theme' => 'table',
+      '#header' => array($this->t('Context ID'), $this->t('Label'), $this->t('Data Type'), $this->t('Options')),
+      '#rows' => $this->renderRows($cached_values),
+      '#empty' => $this->t('No relationships have been added.')
+    );
+
+    $form['relationships'] = [
+      '#type' => 'select',
+      '#title' => $this->t('Add a relationship'),
+      '#options' => $this->getAvailableRelationships($cached_values),
+    ];
+    $form['add_relationship'] = [
+      '#type' => 'submit',
+      '#name' => 'add',
+      '#value' => $this->t('Add Relationship'),
+      '#ajax' => [
+        'callback' => [$this, 'addRelationship'],
+        'event' => 'click',
+      ],
+      '#submit' => [
+        'callback' => [$this, 'submitForm'],
+      ]
+    ];
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    if ($form_state->getTriggeringElement()['#name'] == 'add') {
+      $cached_values = $form_state->getTemporaryValue('wizard');
+      list(, $route_parameters) = $this->getRelationshipOperationsRouteInfo($cached_values, $this->machine_name, $form_state->getValue('relationships'));
+      $form_state->setRedirect($this->getAddRoute($cached_values), $route_parameters);
+    }
+  }
+
+  public function addRelationship(array &$form, FormStateInterface $form_state) {
+    $relationship = $form_state->getValue('relationships');
+    $content = \Drupal::formBuilder()->getForm($this->getContextClass(), $relationship, $this->getTempstoreId(), $this->machine_name);
+    $content['#attached']['library'][] = 'core/drupal.dialog.ajax';
+    $cached_values = $form_state->getTemporaryValue('wizard');
+    list(, $route_parameters) = $this->getRelationshipOperationsRouteInfo($cached_values, $this->machine_name, $relationship);
+    $content['submit']['#attached']['drupalSettings']['ajax'][$content['submit']['#id']]['url'] = $this->url($this->getAddRoute($cached_values), $route_parameters, ['query' => [FormBuilderInterface::AJAX_FORM_REQUEST => TRUE]]);
+    $response = new AjaxResponse();
+    $response->addCommand(new OpenModalDialogCommand($this->t('Configure Relationship'), $content, array('width' => '700')));
+    return $response;
+  }
+
+  protected function getAvailableRelationships($cached_values) {
+    /** @var \Drupal\ctools\TypedDataResolver $resolver */
+    $resolver = \Drupal::service('ctools.typed_data.resolver');
+    return $resolver->getTokensForContexts($this->getContexts($cached_values));
+  }
+
+  /**
+   * @param $cached_values
+   *
+   * @return array
+   */
+  protected function renderRows($cached_values) {
+    $contexts = array();
+    foreach ($this->getContexts($cached_values) as $row => $context) {
+      list($route_name, $route_parameters) = $this->getRelationshipOperationsRouteInfo($cached_values, $this->machine_name, $row);
+      $build = array(
+        '#type' => 'operations',
+        '#links' => $this->getOperations($cached_values, $row, $route_name, $route_parameters),
+      );
+      $contexts[$row] = array(
+        $row,
+        $context->getContextDefinition()->getLabel(),
+        $context->getContextDefinition()->getDataType(),
+        'operations' => [
+          'data' => $build,
+        ],
+      );
+    }
+    return $contexts;
+  }
+
+  /**
+   * @param array $cached_values
+   * @param string $row
+   * @param string $route_name_base
+   * @param array $route_parameters
+   *
+   * @return mixed
+   */
+  protected function getOperations($cached_values, $row, $route_name_base, array $route_parameters = array()) {
+    // Base contexts will not be a : separated and generated relationships should have 3 parts.
+    if (count(explode(':', $row)) < 2) {
+      return [];
+    }
+    $operations['edit'] = array(
+      'title' => $this->t('Edit'),
+      'url' => new Url($route_name_base . '.edit', $route_parameters),
+      'weight' => 10,
+      'attributes' => array(
+        'class' => ['use-ajax'],
+        'data-dialog-type' => 'modal',
+        'data-dialog-options' => Json::encode([
+          'width' => 700,
+        ]),
+      ),
+    );
+    $route_parameters['id'] = $route_parameters['context'];
+    $operations['delete'] = array(
+      'title' => $this->t('Delete'),
+      'url' => new Url($route_name_base . '.delete', $route_parameters),
+      'weight' => 100,
+      'attributes' => array(
+        'class' => array('use-ajax'),
+        'data-dialog-type' => 'modal',
+        'data-dialog-options' => Json::encode([
+          'width' => 700,
+        ]),
+      ),
+    );
+    return $operations;
+  }
+
+  /**
+   * Return a subclass of '\Drupal\ctools\Form\ResolverRelationshipConfigure'.
+   *
+   * The ConditionConfigure class is designed to be subclassed with custom
+   * route information to control the modal/redirect needs of your use case.
+   *
+   * @return string
+   */
+  abstract protected function getContextClass($cached_values);
+
+  /**
+   * The route to which relationship 'add' actions should submit.
+   *
+   * @return string
+   */
+  abstract protected function getAddRoute($cached_values);
+
+  /**
+   * Provide the tempstore id for your specified use case.
+   *
+   * @return string
+   */
+  abstract protected function getTempstoreId();
+
+  /**
+   * @param $cached_values
+   *
+   * @return \Drupal\Core\Plugin\Context\ContextInterface[]
+   */
+  abstract protected function getContexts($cached_values);
+
+  /**
+   * @param string $cached_values
+   * @param string $machine_name
+   * @param string $row
+   *
+   * @return array
+   */
+  abstract protected function getRelationshipOperationsRouteInfo($cached_values, $machine_name, $row);
+
+}