--- /dev/null
+from typing import Any, Callable, Iterable, Text\r
+\r
+DEBUG: int\r
+INFO: int\r
+WARN: int\r
+ERROR: int\r
+FATAL: int\r
+\r
+class Log:\r
+ def __init__(self, threshold: int = ...) -> None: ...\r
+ def log(self, level: int, msg: Text, *args: Any) -> None: ...\r
+ def debug(self, msg: Text, *args: Any) -> None: ...\r
+ def info(self, msg: Text, *args: Any) -> None: ...\r
+ def warn(self, msg: Text, *args: Any) -> None: ...\r
+ def error(self, msg: Text, *args: Any) -> None: ...\r
+ def fatal(self, msg: Text, *args: Any) -> None: ...\r
+\r
+_LogFunc = Callable[[Text, Iterable[Any]], None]\r
+\r
+log: Callable[[int, Text, Iterable[Any]], None]\r
+debug: _LogFunc\r
+info: _LogFunc\r
+warn: _LogFunc\r
+error: _LogFunc\r
+fatal: _LogFunc\r
+\r
+def set_threshold(level: int) -> int: ...\r
+def set_verbosity(v: int) -> None: ...\r