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Store/_base.py

@@ -53,3 +53,21 @@ class Store(ABC):
     @abstractmethod
     def delete_url(self, file_identifier: str, url: List[str], **kwargs: Any) -> bool:
         raise NotImplementedError
+
+    @abstractmethod
+    def get_note(self, file_identifier: str, **kwargs: Any) -> Dict[str, str]:
+        """Get notes for a file.
+
+        Returns a mapping of note name/key -> note text.
+        """
+        raise NotImplementedError
+
+    @abstractmethod
+    def set_note(self, file_identifier: str, name: str, text: str, **kwargs: Any) -> bool:
+        """Add or replace a named note for a file."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def delete_note(self, file_identifier: str, name: str, **kwargs: Any) -> bool:
+        """Delete a named note for a file."""
+        raise NotImplementedError