diff --git a/path/classes.pyi b/path/classes.pyi
index 0e119d0..4f23e41 100644
--- a/path/classes.pyi
+++ b/path/classes.pyi
@@ -1,8 +1,13 @@
-from typing import Any, Callable, Optional
+from typing import Any, Callable, Generic, TypeVar, overload
 
 class ClassProperty(property):
     def __get__(self, cls: Any, owner: type | None = ...) -> Any: ...
 
-class multimethod:
-    def __init__(self, func: Callable[..., Any]): ...
-    def __get__(self, instance: Any, owner: type | None) -> Any: ...
+_T = TypeVar("_T")
+
+class multimethod(Generic[_T]):
+    def __init__(self, func: Callable[..., _T]): ...
+    @overload
+    def __get__(self, instance: None, owner: type[_T] | None) -> Callable[..., _T]: ...
+    @overload
+    def __get__(self, instance: _T, owner: type[_T] | None) -> Callable[..., _T]: ...