chore: import upstream snapshot with attribution

python/semantic_kernel/template_engine/protocols/code_renderer.py

@@ -0,0 +1,21 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+from abc import abstractmethod
+from typing import TYPE_CHECKING, Protocol, runtime_checkable
+
+if TYPE_CHECKING:
+    from semantic_kernel import Kernel
+    from semantic_kernel.functions.kernel_arguments import KernelArguments
+
+
+@runtime_checkable
+class CodeRenderer(Protocol):
+    """Protocol for dynamic code blocks that need async IO to be rendered."""
+
+    @abstractmethod
+    async def render_code(self, kernel: "Kernel", arguments: "KernelArguments") -> str:
+        """Render the block using the given context.
+
+        :param context: kernel execution context
+        :return: Rendered content
+        """

python/semantic_kernel/template_engine/protocols/text_renderer.py

@@ -0,0 +1,21 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+from abc import abstractmethod
+from typing import TYPE_CHECKING, Optional, Protocol, runtime_checkable
+
+if TYPE_CHECKING:
+    from semantic_kernel import Kernel
+    from semantic_kernel.functions.kernel_arguments import KernelArguments
+
+
+@runtime_checkable
+class TextRenderer(Protocol):
+    """Protocol for static (text) blocks that don't need async rendering."""
+
+    @abstractmethod
+    def render(self, kernel: "Kernel", arguments: Optional["KernelArguments"] = None) -> str:
+        """Render the block using only the given variables.
+
+        :param variables: Optional variables used to render the block
+        :return: Rendered content
+        """