chore: import upstream snapshot with attribution

haystack/hooks/tool_result_offloading/__init__.py

@@ -0,0 +1,27 @@
+# SPDX-FileCopyrightText: 2022-present deepset GmbH <info@deepset.ai>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import sys
+from typing import TYPE_CHECKING
+
+from lazy_imports import LazyImporter
+
+_import_structure = {
+    "hooks": ["ToolResultOffloadHook", "RESULT_STORE_CONTEXT_KEY"],
+    "policies": ["AlwaysOffload", "NeverOffload", "OffloadOverChars"],
+    "stores": ["FileSystemToolResultStore"],
+    "types": ["OffloadPolicy", "ToolResultStore"],
+}
+
+if TYPE_CHECKING:
+    from .hooks import RESULT_STORE_CONTEXT_KEY as RESULT_STORE_CONTEXT_KEY
+    from .hooks import ToolResultOffloadHook as ToolResultOffloadHook
+    from .policies import AlwaysOffload as AlwaysOffload
+    from .policies import NeverOffload as NeverOffload
+    from .policies import OffloadOverChars as OffloadOverChars
+    from .stores import FileSystemToolResultStore as FileSystemToolResultStore
+    from .types import OffloadPolicy as OffloadPolicy
+    from .types import ToolResultStore as ToolResultStore
+else:
+    sys.modules[__name__] = LazyImporter(name=__name__, module_file=__file__, import_structure=_import_structure)