diff --git a/src/Core/Manifest/VersionProvider.php b/src/Core/Manifest/VersionProvider.php
index fee190057..b63bdaf87 100644
--- a/src/Core/Manifest/VersionProvider.php
+++ b/src/Core/Manifest/VersionProvider.php
@@ -4,6 +4,7 @@ namespace SilverStripe\Core\Manifest;
 
 use SilverStripe\Core\Config\Config;
 use Psr\SimpleCache\CacheInterface;
+use SilverStripe\Core\Config\Configurable;
 use SilverStripe\Core\Convert;
 use SilverStripe\Core\Injector\Injector;
 
@@ -24,6 +25,13 @@ use SilverStripe\Core\Injector\Injector;
  */
 class VersionProvider
 {
+    use Configurable;
+
+    /**
+     * @var array
+     */
+    private static $modules;
+
     /**
      * Gets a comma delimited string of package titles and versions
      *
diff --git a/src/ORM/FieldType/DBField.php b/src/ORM/FieldType/DBField.php
index 04383753c..686ea9405 100644
--- a/src/ORM/FieldType/DBField.php
+++ b/src/ORM/FieldType/DBField.php
@@ -107,6 +107,15 @@ abstract class DBField extends ViewableData implements DBIndexable
      */
     private static $index = false;
 
+    /**
+     * The filters to be used by graphql form field front-end
+     *
+     * e.g [ contains, gt, lt, gte, lte ]
+     *
+     * @var array
+     */
+    private static $graphql_default_filters;
+
     private static $casting = [
         'ATT' => 'HTMLFragment',
         'CDATA' => 'HTMLFragment',