diff --git a/stdlib/_interpchannels.pyi b/stdlib/_interpchannels.pyi
index b77fe321a071..c03496044df0 100644
--- a/stdlib/_interpchannels.pyi
+++ b/stdlib/_interpchannels.pyi
@@ -1,5 +1,5 @@
 from _typeshed import structseq
-from typing import Final, Literal, SupportsIndex, final
+from typing import Any, Final, Literal, SupportsIndex, final
 from typing_extensions import Buffer, Self
 
 class ChannelError(RuntimeError): ...
@@ -72,13 +72,15 @@ class ChannelInfo(structseq[int], tuple[bool, bool, bool, int, int, int, int, in
     @property
     def send_released(self) -> bool: ...
 
-def create() -> ChannelID: ...
+def create(unboundop: Literal[1, 2, 3]) -> ChannelID: ...
 def destroy(cid: SupportsIndex) -> None: ...
 def list_all() -> list[ChannelID]: ...
 def list_interpreters(cid: SupportsIndex, *, send: bool) -> list[int]: ...
 def send(cid: SupportsIndex, obj: object, *, blocking: bool = True, timeout: float | None = None) -> None: ...
 def send_buffer(cid: SupportsIndex, obj: Buffer, *, blocking: bool = True, timeout: float | None = None) -> None: ...
-def recv(cid: SupportsIndex, default: object = ...) -> object: ...
+def recv(cid: SupportsIndex, default: object = ...) -> tuple[Any, Literal[1, 2, 3]]: ...
 def close(cid: SupportsIndex, *, send: bool = False, recv: bool = False) -> None: ...
+def get_count(cid: SupportsIndex) -> int: ...
 def get_info(cid: SupportsIndex) -> ChannelInfo: ...
+def get_channel_defaults(cid: SupportsIndex) -> Literal[1, 2, 3]: ...
 def release(cid: SupportsIndex, *, send: bool = False, recv: bool = False, force: bool = False) -> None: ...