diff --git a/install/class_source/class_CustomerSegmentGroup_export.json b/install/class_source/class_CustomerSegmentGroup_export.json
index c5cffe92..69090ab7 100644
--- a/install/class_source/class_CustomerSegmentGroup_export.json
+++ b/install/class_source/class_CustomerSegmentGroup_export.json
@@ -1,7 +1,7 @@
 {
-    "description": null,
-    "parentClass": null,
-    "useTraits": null,
+    "description": "",
+    "parentClass": "",
+    "useTraits": "",
     "allowInherit": false,
     "allowVariants": false,
     "showVariants": false,
@@ -255,4 +255,4 @@
             "creationDate": true
         }
     }
-}
\ No newline at end of file
+}
diff --git a/install/class_source/class_CustomerSegment_export.json b/install/class_source/class_CustomerSegment_export.json
index 5bdbe156..0bfe97ff 100644
--- a/install/class_source/class_CustomerSegment_export.json
+++ b/install/class_source/class_CustomerSegment_export.json
@@ -1,12 +1,12 @@
 {
-    "description": null,
+    "description": "",
     "parentClass": "\\CustomerManagementFrameworkBundle\\Model\\AbstractCustomerSegment",
     "implementsInterfaces": null,
     "listingParentClass": "",
     "useTraits": "",
     "listingUseTraits": "",
     "allowInherit": false,
-    "allowVariants": null,
+    "allowVariants": false,
     "showVariants": false,
     "layoutDefinitions": {
         "fieldtype": "panel",
@@ -239,4 +239,4 @@
         }
     },
     "enableGridLocking": false
-}
\ No newline at end of file
+}
diff --git a/install/class_source/class_LinkActivityDefinition_export.json b/install/class_source/class_LinkActivityDefinition_export.json
index 3c9d5aa0..a1cc449a 100644
--- a/install/class_source/class_LinkActivityDefinition_export.json
+++ b/install/class_source/class_LinkActivityDefinition_export.json
@@ -6,7 +6,7 @@
     "useTraits": "",
     "listingUseTraits": "",
     "allowInherit": true,
-    "allowVariants": null,
+    "allowVariants": false,
     "showVariants": false,
     "generateTypeDeclarations": true,
     "layoutDefinitions": {
diff --git a/install/class_source/class_SsoIdentity_export.json b/install/class_source/class_SsoIdentity_export.json
index 54a8ecef..0fa42575 100644
--- a/install/class_source/class_SsoIdentity_export.json
+++ b/install/class_source/class_SsoIdentity_export.json
@@ -1,7 +1,7 @@
 {
-    "description": null,
+    "description": "",
     "parentClass": "\\CustomerManagementFrameworkBundle\\Model\\AbstractSsoIdentity",
-    "useTraits": null,
+    "useTraits": "",
     "allowInherit": false,
     "allowVariants": false,
     "showVariants": false,
@@ -156,4 +156,4 @@
             "creationDate": true
         }
     }
-}
\ No newline at end of file
+}
diff --git a/install/class_source/class_TermSegmentBuilderDefinition_export.json b/install/class_source/class_TermSegmentBuilderDefinition_export.json
index 176629db..d350696e 100644
--- a/install/class_source/class_TermSegmentBuilderDefinition_export.json
+++ b/install/class_source/class_TermSegmentBuilderDefinition_export.json
@@ -1,7 +1,7 @@
 {
-    "description": null,
+    "description": "",
     "parentClass": "CustomerManagementFrameworkBundle\\Model\\AbstractTermSegmentBuilderDefinition",
-    "useTraits": null,
+    "useTraits": "",
     "allowInherit": false,
     "allowVariants": false,
     "showVariants": false,
@@ -164,4 +164,4 @@
             "creationDate": true
         }
     }
-}
\ No newline at end of file
+}
diff --git a/install/class_source/optional/class_Customer_export.json b/install/class_source/optional/class_Customer_export.json
index 6e889b85..d9ff70a5 100644
--- a/install/class_source/optional/class_Customer_export.json
+++ b/install/class_source/optional/class_Customer_export.json
@@ -1,12 +1,12 @@
 {
-    "description": null,
+    "description": "",
     "parentClass": "\\CustomerManagementFrameworkBundle\\Model\\AbstractCustomer",
     "implementsInterfaces": null,
     "listingParentClass": "",
     "useTraits": "",
     "listingUseTraits": "",
     "allowInherit": false,
-    "allowVariants": null,
+    "allowVariants": false,
     "showVariants": false,
     "layoutDefinitions": {
         "fieldtype": "panel",
@@ -1765,4 +1765,4 @@
         }
     },
     "enableGridLocking": false
-}
\ No newline at end of file
+}