chore: import upstream snapshot with attribution

python/semantic_kernel/processes/kernel_process/kernel_process_event.py

@@ -0,0 +1,32 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+from enum import Enum
+from typing import Any
+
+from pydantic import ConfigDict
+
+from semantic_kernel.kernel_pydantic import KernelBaseModel
+from semantic_kernel.utils.feature_stage_decorator import experimental
+
+
+@experimental
+class KernelProcessEventVisibility(Enum):
+    """Visibility of a kernel process event."""
+
+    # The event is visible inside the process as well as outside the process. This is useful
+    # when the event is intended to be consumed by other processes or external systems.
+    Public = "Public"
+
+    # The event is only visible to steps within the same process.
+    Internal = "Internal"
+
+
+@experimental
+class KernelProcessEvent(KernelBaseModel):
+    """A kernel process event."""
+
+    id: str
+    data: Any | None = None
+    visibility: KernelProcessEventVisibility = KernelProcessEventVisibility.Internal
+
+    model_config = ConfigDict(use_enum_values=False)