diff --git a/sdk/cosmos/azure-mgmt-cosmosdb/azure/mgmt/cosmosdb/models/_models.py b/sdk/cosmos/azure-mgmt-cosmosdb/azure/mgmt/cosmosdb/models/_models.py
index 52fba1aa9d3f..e94ffe1ebb4c 100644
--- a/sdk/cosmos/azure-mgmt-cosmosdb/azure/mgmt/cosmosdb/models/_models.py
+++ b/sdk/cosmos/azure-mgmt-cosmosdb/azure/mgmt/cosmosdb/models/_models.py
@@ -289,54 +289,17 @@ def __init__(self, **kwargs):
         self.type = None
 
 
-class ProxyResource(Resource):
-    """Proxy Resource.
-
-    The resource model definition for a Azure Resource Manager proxy resource.
-    It will not have tags and a location.
-
-    Variables are only populated by the server, and will be ignored when
-    sending a request.
-
-    :ivar id: Fully qualified resource ID for the resource. Ex -
-     /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}
-    :vartype id: str
-    :ivar name: The name of the resource
-    :vartype name: str
-    :ivar type: The type of the resource. E.g.
-     "Microsoft.Compute/virtualMachines" or "Microsoft.Storage/storageAccounts"
-    :vartype type: str
-    """
-
-    _validation = {
-        'id': {'readonly': True},
-        'name': {'readonly': True},
-        'type': {'readonly': True},
-    }
-
-    _attribute_map = {
-        'id': {'key': 'id', 'type': 'str'},
-        'name': {'key': 'name', 'type': 'str'},
-        'type': {'key': 'type', 'type': 'str'},
-    }
-
-    def __init__(self, **kwargs):
-        super(ProxyResource, self).__init__(**kwargs)
-
-
-class BackupResource(ProxyResource):
+class BackupResource(ARMProxyResource):
     """A restorable backup of a Cassandra cluster.
 
     Variables are only populated by the server, and will be ignored when
     sending a request.
 
-    :ivar id: Fully qualified resource ID for the resource. Ex -
-     /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}
+    :ivar id: The unique resource identifier of the database account.
     :vartype id: str
-    :ivar name: The name of the resource
+    :ivar name: The name of the database account.
     :vartype name: str
-    :ivar type: The type of the resource. E.g.
-     "Microsoft.Compute/virtualMachines" or "Microsoft.Storage/storageAccounts"
+    :ivar type: The type of Azure resource.
     :vartype type: str
     :param properties:
     :type properties: ~azure.mgmt.cosmosdb.models.BackupResourceProperties
@@ -2094,19 +2057,17 @@ def __init__(self, **kwargs):
         self.collection_names = kwargs.get('collection_names', None)
 
 
-class DataCenterResource(ProxyResource):
+class DataCenterResource(ARMProxyResource):
     """A managed Cassandra data center.
 
     Variables are only populated by the server, and will be ignored when
     sending a request.
 
-    :ivar id: Fully qualified resource ID for the resource. Ex -
-     /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}
+    :ivar id: The unique resource identifier of the database account.
     :vartype id: str
-    :ivar name: The name of the resource
+    :ivar name: The name of the database account.
     :vartype name: str
-    :ivar type: The type of the resource. E.g.
-     "Microsoft.Compute/virtualMachines" or "Microsoft.Storage/storageAccounts"
+    :ivar type: The type of Azure resource.
     :vartype type: str
     :param properties: Properties of a managed Cassandra data center.
     :type properties: ~azure.mgmt.cosmosdb.models.DataCenterResourceProperties
@@ -4275,6 +4236,41 @@ def __init__(self, **kwargs):
         self.not_data_actions = kwargs.get('not_data_actions', None)
 
 
+class ProxyResource(Resource):
+    """Proxy Resource.
+
+    The resource model definition for a Azure Resource Manager proxy resource.
+    It will not have tags and a location.
+
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
+    :ivar id: Fully qualified resource ID for the resource. Ex -
+     /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}
+    :vartype id: str
+    :ivar name: The name of the resource
+    :vartype name: str
+    :ivar type: The type of the resource. E.g.
+     "Microsoft.Compute/virtualMachines" or "Microsoft.Storage/storageAccounts"
+    :vartype type: str
+    """
+
+    _validation = {
+        'id': {'readonly': True},
+        'name': {'readonly': True},
+        'type': {'readonly': True},
+    }
+
+    _attribute_map = {
+        'id': {'key': 'id', 'type': 'str'},
+        'name': {'key': 'name', 'type': 'str'},
+        'type': {'key': 'type', 'type': 'str'},
+    }
+
+    def __init__(self, **kwargs):
+        super(ProxyResource, self).__init__(**kwargs)
+
+
 class PrivateEndpointConnection(ProxyResource):
     """A private endpoint connection.
 
diff --git a/sdk/cosmos/azure-mgmt-cosmosdb/azure/mgmt/cosmosdb/models/_models_py3.py b/sdk/cosmos/azure-mgmt-cosmosdb/azure/mgmt/cosmosdb/models/_models_py3.py
index 46a05925baa4..a6ae9d790961 100644
--- a/sdk/cosmos/azure-mgmt-cosmosdb/azure/mgmt/cosmosdb/models/_models_py3.py
+++ b/sdk/cosmos/azure-mgmt-cosmosdb/azure/mgmt/cosmosdb/models/_models_py3.py
@@ -289,54 +289,17 @@ def __init__(self, **kwargs) -> None:
         self.type = None
 
 
-class ProxyResource(Resource):
-    """Proxy Resource.
-
-    The resource model definition for a Azure Resource Manager proxy resource.
-    It will not have tags and a location.
-
-    Variables are only populated by the server, and will be ignored when
-    sending a request.
-
-    :ivar id: Fully qualified resource ID for the resource. Ex -
-     /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}
-    :vartype id: str
-    :ivar name: The name of the resource
-    :vartype name: str
-    :ivar type: The type of the resource. E.g.
-     "Microsoft.Compute/virtualMachines" or "Microsoft.Storage/storageAccounts"
-    :vartype type: str
-    """
-
-    _validation = {
-        'id': {'readonly': True},
-        'name': {'readonly': True},
-        'type': {'readonly': True},
-    }
-
-    _attribute_map = {
-        'id': {'key': 'id', 'type': 'str'},
-        'name': {'key': 'name', 'type': 'str'},
-        'type': {'key': 'type', 'type': 'str'},
-    }
-
-    def __init__(self, **kwargs) -> None:
-        super(ProxyResource, self).__init__(**kwargs)
-
-
-class BackupResource(ProxyResource):
+class BackupResource(ARMProxyResource):
     """A restorable backup of a Cassandra cluster.
 
     Variables are only populated by the server, and will be ignored when
     sending a request.
 
-    :ivar id: Fully qualified resource ID for the resource. Ex -
-     /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}
+    :ivar id: The unique resource identifier of the database account.
     :vartype id: str
-    :ivar name: The name of the resource
+    :ivar name: The name of the database account.
     :vartype name: str
-    :ivar type: The type of the resource. E.g.
-     "Microsoft.Compute/virtualMachines" or "Microsoft.Storage/storageAccounts"
+    :ivar type: The type of Azure resource.
     :vartype type: str
     :param properties:
     :type properties: ~azure.mgmt.cosmosdb.models.BackupResourceProperties
@@ -2094,19 +2057,17 @@ def __init__(self, *, database_name: str=None, collection_names=None, **kwargs)
         self.collection_names = collection_names
 
 
-class DataCenterResource(ProxyResource):
+class DataCenterResource(ARMProxyResource):
     """A managed Cassandra data center.
 
     Variables are only populated by the server, and will be ignored when
     sending a request.
 
-    :ivar id: Fully qualified resource ID for the resource. Ex -
-     /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}
+    :ivar id: The unique resource identifier of the database account.
     :vartype id: str
-    :ivar name: The name of the resource
+    :ivar name: The name of the database account.
     :vartype name: str
-    :ivar type: The type of the resource. E.g.
-     "Microsoft.Compute/virtualMachines" or "Microsoft.Storage/storageAccounts"
+    :ivar type: The type of Azure resource.
     :vartype type: str
     :param properties: Properties of a managed Cassandra data center.
     :type properties: ~azure.mgmt.cosmosdb.models.DataCenterResourceProperties
@@ -4275,6 +4236,41 @@ def __init__(self, *, data_actions=None, not_data_actions=None, **kwargs) -> Non
         self.not_data_actions = not_data_actions
 
 
+class ProxyResource(Resource):
+    """Proxy Resource.
+
+    The resource model definition for a Azure Resource Manager proxy resource.
+    It will not have tags and a location.
+
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
+    :ivar id: Fully qualified resource ID for the resource. Ex -
+     /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}
+    :vartype id: str
+    :ivar name: The name of the resource
+    :vartype name: str
+    :ivar type: The type of the resource. E.g.
+     "Microsoft.Compute/virtualMachines" or "Microsoft.Storage/storageAccounts"
+    :vartype type: str
+    """
+
+    _validation = {
+        'id': {'readonly': True},
+        'name': {'readonly': True},
+        'type': {'readonly': True},
+    }
+
+    _attribute_map = {
+        'id': {'key': 'id', 'type': 'str'},
+        'name': {'key': 'name', 'type': 'str'},
+        'type': {'key': 'type', 'type': 'str'},
+    }
+
+    def __init__(self, **kwargs) -> None:
+        super(ProxyResource, self).__init__(**kwargs)
+
+
 class PrivateEndpointConnection(ProxyResource):
     """A private endpoint connection.