diff --git a/stubs/vobject/vobject/base.pyi b/stubs/vobject/vobject/base.pyi
index 3c48123e7fbc..ff3024163b5c 100644
--- a/stubs/vobject/vobject/base.pyi
+++ b/stubs/vobject/vobject/base.pyi
@@ -1,12 +1,12 @@
 import logging
 import re
 from _typeshed import Incomplete, MaybeNone, SupportsWrite
-from collections.abc import Generator, Iterator
+from collections.abc import Generator, Iterable, Iterator, Sequence
 from typing import Any, AnyStr, Final, Literal, TypeVar, overload
 from typing_extensions import Self
 
 _V = TypeVar("_V", bound=VBase)
-_W = TypeVar("_W", bound=SupportsWrite[bytes])
+_W = TypeVar("_W", bound=SupportsWrite[str] | SupportsWrite[bytes])
 
 VERSION: Final[str]
 
@@ -30,7 +30,7 @@ class VBase:
     def __init__(self, group=None) -> None: ...
     def copy(self, copyit: VBase) -> None: ...
     def validate(self, *args, **kwds) -> bool: ...
-    def getChildren(self) -> list[Incomplete]: ...
+    def getChildren(self) -> Iterable[VBase]: ...
     def clearBehavior(self, cascade: bool = True) -> None: ...
     def autoBehavior(self, cascade: bool = False) -> None: ...
     def setBehavior(self, behavior, cascade: bool = True) -> None: ...
@@ -60,7 +60,7 @@ class ContentLine(VBase):
     def __init__(
         self,
         name: str,
-        params: dict[Incomplete, list[Incomplete]],
+        params: Iterable[Sequence[str]],
         value: str,
         group=None,
         encoded: bool = False,
@@ -107,7 +107,7 @@ class Component(VBase):
     def add(self, objOrName: str, group: str | None = None) -> Any: ...  # returns VBase sub-class
 
     def remove(self, obj) -> None: ...
-    def getChildren(self) -> list[Incomplete]: ...
+    def getChildren(self) -> Generator[VBase]: ...
     def components(self) -> Generator[Component]: ...
     def lines(self) -> Generator[ContentLine]: ...
     def sortChildKeys(self) -> list[Incomplete]: ...