fix: Make protected members private

Author: anubhav756

packages/toolbox-core/src/toolbox_core/sync_tool.py

@@ -67,6 +67,18 @@ def __init__(
             f"{self.__class__.__qualname__}.{self.__async_tool.__name__}"
         )
 
+    @property
+    def _async_tool(self) -> ToolboxTool:
+        return self.__async_tool
+
+    @property
+    def _loop(self) -> AbstractEventLoop:
+        return self.__loop
+
+    @property
+    def _thread(self) -> Thread:
+        return self.__thread
+
     @property
     def __name__(self) -> str:
         return self.__async_tool.__name__