--- .src/ya.make	(c6fe4ea2c036b04d62fb4d40136bade80df24dd6)
+++ .src/ya.make	(index)
@@ -21,6 +21,7 @@ NO_LINT()

 PY_SRCS(
     TOP_LEVEL
+    cryptography/hazmat/bindings/_rust/__init__.py
     cryptography/__about__.py
     cryptography/__init__.py
     cryptography/exceptions.py
--- .src/cryptography/utils.py	(c6fe4ea2c036b04d62fb4d40136bade80df24dd6)
+++ .src/cryptography/utils.py	(index)
@@ -25,6 +25,11 @@ DeprecatedIn37 = CryptographyDeprecationWarning
 DeprecatedIn40 = CryptographyDeprecationWarning
 DeprecatedIn41 = CryptographyDeprecationWarning

+def register_interface(iface):
+    def register_decorator(klass):
+        return klass
+    return register_decorator
+

 def _check_bytes(name: str, value: bytes) -> None:
     if not isinstance(value, bytes):
--- .src/cryptography/hazmat/bindings/_rust/__init__.py	(c6fe4ea2c036b04d62fb4d40136bade80df24dd6)
+++ .src/cryptography/hazmat/bindings/_rust/__init__.py	(index)
@@ -0,0 +1 @@
+from _rust import *