chore: import upstream snapshot with attribution

python/semantic_kernel/connectors/openapi_plugin/const.py

@@ -0,0 +1,18 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+
+from enum import Enum
+
+from semantic_kernel.utils.feature_stage_decorator import experimental
+
+
+@experimental
+class OperationExtensions(Enum):
+    """The operation extensions."""
+
+    METHOD_KEY = "method"
+    OPERATION_KEY = "operation"
+    INFO_KEY = "info"
+    SECURITY_KEY = "security"
+    SERVER_URLS_KEY = "server-urls"
+    METADATA_KEY = "operation-extensions"