diff --git a/pype/settings/handlers.py b/pype/settings/handlers.py
index c1829273b1..300d4492eb 100644
--- a/pype/settings/handlers.py
+++ b/pype/settings/handlers.py
@@ -5,15 +5,7 @@ from abc import ABCMeta, abstractmethod
 import six
 import pype
 from .constants import (
-    M_OVERRIDEN_KEY,
-    M_ENVIRONMENT_KEY,
-    M_DYNAMIC_KEY_LABEL,
-    M_POP_KEY,
-
-    METADATA_KEYS,
-
     SYSTEM_SETTINGS_KEY,
-    ENVIRONMENTS_KEY,
     PROJECT_SETTINGS_KEY,
     PROJECT_ANATOMY_KEY
 )
@@ -295,3 +287,75 @@ class SettingsFileHandler(SettingsHandler):
         if not os.path.exists(path_to_json):
             return {}
         return self.load_json_file(path_to_json)
+
+
+class MongoSettingsHandler(SettingsHandler):
+    def __init__(self):
+        pass
+
+    @classmethod
+    def save_studio_settings(self, data):
+        """Save studio overrides of system settings.
+
+        Do not use to store whole system settings data with defaults but only it's
+        overrides with metadata defining how overrides should be applied in load
+        function. For loading should be used function `studio_system_settings`.
+
+        Args:
+            data(dict): Data of studio overrides with override metadata.
+        """
+
+    def save_project_settings(self, project_name, overrides):
+        """Save studio overrides of project settings.
+
+        Data are saved for specific project or as defaults for all projects.
+
+        Do not use to store whole project settings data with defaults but only it's
+        overrides with metadata defining how overrides should be applied in load
+        function. For loading should be used function
+        `get_studio_project_settings_overrides` for global project settings
+        and `get_project_settings_overrides` for project specific settings.
+
+        Args:
+            project_name(str, null): Project name for which overrides are
+                or None for global settings.
+            data(dict): Data of project overrides with override metadata.
+        """
+
+    def save_project_anatomy(self, project_name, anatomy_data):
+        """Save studio overrides of project anatomy data.
+
+        Args:
+            project_name(str, null): Project name for which overrides are
+                or None for global settings.
+            data(dict): Data of project overrides with override metadata.
+        """
+
+    def get_studio_system_settings_overrides(self):
+        """Studio overrides of system settings."""
+
+    def get_studio_project_settings_overrides(self):
+        """Studio overrides of default project settings."""
+
+    def get_studio_project_anatomy_overrides(self):
+        """Studio overrides of default project anatomy data."""
+
+    def get_project_settings_overrides(self, project_name):
+        """Studio overrides of project settings for specific project.
+
+        Args:
+            project_name(str): Name of project for which data should be loaded.
+
+        Returns:
+            dict: Only overrides for entered project, may be empty dictionary.
+        """
+
+    def get_project_anatomy_overrides(self, project_name):
+        """Studio overrides of project anatomy for specific project.
+
+        Args:
+            project_name(str): Name of project for which data should be loaded.
+
+        Returns:
+            dict: Only overrides for entered project, may be empty dictionary.
+        """
\ No newline at end of file