Add more type hints

pyhon/typedefs.py

@@ -0,0 +1,27 @@
+from typing import Union, Any, TYPE_CHECKING, Protocol
+
+import aiohttp
+from yarl import URL
+
+if TYPE_CHECKING:
+    from pyhon.parameter.base import HonParameter
+    from pyhon.parameter.enum import HonParameterEnum
+    from pyhon.parameter.fixed import HonParameterFixed
+    from pyhon.parameter.program import HonParameterProgram
+    from pyhon.parameter.range import HonParameterRange
+
+
+class Callback(Protocol):
+    def __call__(
+        self, url: str | URL, *args: Any, **kwargs: Any
+    ) -> aiohttp.client._RequestContextManager:
+        ...
+
+
+Parameter = Union[
+    "HonParameter",
+    "HonParameterRange",
+    "HonParameterEnum",
+    "HonParameterFixed",
+    "HonParameterProgram",
+]