Merge pull request #840 from Aiven-Open/aiven-anton/refine-confluent-…

…kafka-typing

chore: Refine confluent kafka typing

stubs/confluent_kafka/cimpl.pyi

@@ -1,5 +1,5 @@
 from confluent_kafka.admin._metadata import ClusterMetadata
-from typing import Any, Callable, Final
+from typing import Any, Callable, Final, overload
 
 OFFSET_BEGINNING: Final = ...
 OFFSET_END: Final = ...
@@ -87,9 +87,12 @@ class Consumer:
     def consume(self, num_messages: int = 1, timeout: float = -1) -> list[Message]: ...
     def poll(self, timeout: float = -1) -> Message | None: ...
     def assign(self, partitions: list[TopicPartition]) -> None: ...
-    def commit(
-        self, message: Message | None = None, offsets: list[TopicPartition] | None = None, asynchronous: bool = True
-    ) -> list[TopicPartition] | None: ...
+    @overload
+    def commit(self, asynchronous: bool = ...) -> list[TopicPartition] | None: ...
+    @overload
+    def commit(self, message: Message, asynchronous: bool = ...) -> list[TopicPartition] | None: ...
+    @overload
+    def commit(self, offsets: list[TopicPartition], asynchronous: bool = ...) -> list[TopicPartition] | None: ...
     def committed(self, partitions: list[TopicPartition], timeout: float = -1) -> list[TopicPartition]: ...
     def unsubscribe(self) -> None: ...
     def assignment(self) -> list[TopicPartition]: ...