refactor: The first refactored version for sdk release (#907)

Co-authored-by: chengfangyin2 <chengfangyin3@jd.com>

dbgpt/core/interface/serialization.py

@@ -0,0 +1,40 @@
+from abc import ABC, abstractmethod
+from typing import Type, Dict
+
+
+class Serializable(ABC):
+    @abstractmethod
+    def serialize(self) -> bytes:
+        """Convert the object into bytes for storage or transmission.
+
+        Returns:
+            bytes: The byte array after serialization
+        """
+
+    @abstractmethod
+    def to_dict(self) -> Dict:
+        """Convert the object's state to a dictionary."""
+
+
+class Serializer(ABC):
+    """The serializer abstract class for serializing cache keys and values."""
+
+    @abstractmethod
+    def serialize(self, obj: Serializable) -> bytes:
+        """Serialize a cache object.
+
+        Args:
+            obj (Serializable): The object to serialize
+        """
+
+    @abstractmethod
+    def deserialize(self, data: bytes, cls: Type[Serializable]) -> Serializable:
+        """Deserialize data back into a cache object of the specified type.
+
+        Args:
+            data (bytes): The byte array to deserialize
+            cls (Type[Serializable]): The type of current object
+
+        Returns:
+            Serializable: The serializable object
+        """