--- /dev/null
+import sys
+from _typeshed import ReadableBuffer
+from typing import Callable
+
+from paramiko.kex_group1 import KexGroup1 as KexGroup1
+
+if sys.version_info >= (3, 0):
+ from hashlib import _Hash
+else:
+ from hashlib import _hash as _Hash
+
+class KexGroup16SHA512(KexGroup1):
+ name: str
+ P: int
+ G: int
+ hash_algo: Callable[[ReadableBuffer], _Hash]