code: public function setRelations($value)
      {
          if ($this->companionObject) {
              $baseObject = $this->companionObject;
          } else {
              $baseObject = $this->owner;
          }
          $fields = $baseObject->getFields();
          foreach ($value as $tabId => $relation) {
              if (!isset($relation['_moduleHandler'])) {
                  \d("boom");
                  exit;
                  continue;
              }
              if (!isset($fields[$relation['_moduleHandler']])) {
                  \d($relation['_moduleHandler']);
                  \d(array_keys($fields));
                  exit;
                  continue;
              }
              $baseAttributes = [];
              $model = $fields[$relation['_moduleHandler']]->model;
              if (empty($model)) {
                  $model = $fields[$relation['_moduleHandler']]->resetModel();
              }
              $model->attributes = $relation;
              $model->_moduleHandler = $relation['_moduleHandler'];
              $model->tabularId = $relation['_moduleHandler'];
              list($relationship, $role) = $baseObject->objectType->getRelationship($model->_moduleHandler);
              $relatedHandler = $baseObject->objectType->getRelatedType($model->_moduleHandler);
              if (!$relatedHandler) {
                  continue;
              }
              if (!$this->owner->tabularId  // primary object
                  && !$this->owner->isNewRecord
                  && empty($model->parent_object_id)
                  && empty($model->child_object_id)) {
                  continue;
              }
              $this->_relations[$tabId] = $model;
          }
      }
docs: Set relations.
  
  @param [[@doctodo param_type:value]] $value [[@doctodo param_description:value]]