--- /dev/null
+from typing import Any, Optional\r
+\r
+long = int\r
+CalledProcessError: Any\r
+\r
+def cpu_count() -> int: ...\r
+def fork_processes(num_processes, max_restarts: int = ...) -> Optional[int]: ...\r
+def task_id() -> int: ...\r
+\r
+class Subprocess:\r
+ STREAM: Any = ...\r
+ io_loop: Any = ...\r
+ stdin: Any = ...\r
+ stdout: Any = ...\r
+ stderr: Any = ...\r
+ proc: Any = ...\r
+ returncode: Any = ...\r
+ def __init__(self, *args, **kwargs) -> None: ...\r
+ def set_exit_callback(self, callback): ...\r
+ def wait_for_exit(self, raise_error: bool = ...): ...\r
+ @classmethod\r
+ def initialize(cls, io_loop: Optional[Any] = ...): ...\r
+ @classmethod\r
+ def uninitialize(cls): ...\r