diff --git a/stubs/twisted/python/util.pyi b/stubs/twisted/python/util.pyi
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+# Stubs for twisted.python.util (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from collections import OrderedDict as OrderedDict
+from twisted.python._oldstyle import _replaceIf as _replaceIf
+from typing import Any, Optional
+
+class InsensitiveDict:
+    data: Any = ...
+    preserve: Any = ...
+    def __init__(self, dict: Optional[Any] = ..., preserve: int = ...) -> None: ...
+    def __delitem__(self, key: Any) -> None: ...
+    def __getitem__(self, key: Any): ...
+    def __setitem__(self, key: Any, value: Any) -> None: ...
+    def has_key(self, key: Any): ...
+    __contains__: Any = ...
+    def keys(self): ...
+    def values(self): ...
+    def items(self): ...
+    def get(self, key: Any, default: Optional[Any] = ...): ...
+    def setdefault(self, key: Any, default: Any): ...
+    def update(self, dict: Any) -> None: ...
+    def iterkeys(self) -> None: ...
+    def itervalues(self) -> None: ...
+    def iteritems(self) -> None: ...
+    def popitem(self): ...
+    def clear(self) -> None: ...
+    def copy(self): ...
+    def __len__(self): ...
+    def __eq__(self, other: Any): ...
+
+def uniquify(lst: Any): ...
+def padTo(n: Any, seq: Any, default: Optional[Any] = ...): ...
+def getPluginDirs(): ...
+def addPluginDir() -> None: ...
+def sibpath(path: Any, sibling: Any): ...
+def getPassword(prompt: str = ..., confirm: int = ..., forceTTY: int = ..., confirmPrompt: str = ..., mismatchMessage: str = ...): ...
+def println(*a: Any) -> None: ...
+def spewer(frame: Any, s: Any, ignored: Any) -> None: ...
+def searchupwards(start: Any, files: Any = ..., dirs: Any = ...): ...
+
+class LineLog:
+    log: Any = ...
+    size: Any = ...
+    def __init__(self, size: int = ...) -> None: ...
+    def append(self, line: Any) -> None: ...
+    def str(self): ...
+    def __bytes__(self): ...
+    def __getitem__(self, item: Any): ...
+    def clear(self) -> None: ...
+
+def raises(exception: Any, f: Any, *args: Any, **kwargs: Any): ...
+
+class IntervalDifferential:
+    intervals: Any = ...
+    default: Any = ...
+    def __init__(self, intervals: Any, default: int = ...) -> None: ...
+    def __iter__(self): ...
+
+class _IntervalDifferentialIterator:
+    intervals: Any = ...
+    default: Any = ...
+    last: int = ...
+    def __init__(self, i: Any, d: Any) -> None: ...
+    def __next__(self): ...
+    next: Any = ...
+    def addInterval(self, i: Any) -> None: ...
+    def removeInterval(self, interval: Any) -> None: ...
+
+class FancyStrMixin:
+    showAttributes: Any = ...
+
+class FancyEqMixin:
+    compareAttributes: Any = ...
+    def __eq__(self, other: Any): ...
+    def __ne__(self, other: Any): ...
+
+def switchUID(uid: Any, gid: Any, euid: bool = ...) -> None: ...
+
+class SubclassableCStringIO:
+    def __init__(self, *a: Any, **kw: Any) -> None: ...
+    def __iter__(self): ...
+    def next(self): ...
+    def close(self): ...
+    def isatty(self): ...
+    def seek(self, pos: Any, mode: int = ...): ...
+    def tell(self): ...
+    def read(self, n: int = ...): ...
+    def readline(self, length: Optional[Any] = ...): ...
+    def readlines(self, sizehint: int = ...): ...
+    def truncate(self, size: Optional[Any] = ...): ...
+    def write(self, s: Any): ...
+    def writelines(self, list: Any): ...
+    def flush(self): ...
+    def getvalue(self): ...
+
+def untilConcludes(f: Any, *a: Any, **kw: Any): ...
+def mergeFunctionMetadata(f: Any, g: Any): ...
+def nameToLabel(mname: Any): ...
+def uidFromString(uidString: Any): ...
+def gidFromString(gidString: Any): ...
+def runAsEffectiveUser(euid: Any, egid: Any, function: Any, *args: Any, **kwargs: Any): ...
+def runWithWarningsSuppressed(suppressedWarnings: Any, f: Any, *args: Any, **kwargs: Any): ...