Improve sql.crud (#30)

Author: bryanforbes

sqlalchemy-stubs/sql/crud.pyi

@@ -1,20 +1,22 @@
 from typing import Any
+from typing import TypeVar
 
-from . import coercions as coercions
-from . import dml as dml
-from . import elements as elements
-from . import roles as roles
-from .. import exc as exc
-from .. import util as util
+from . import elements
+from . import type_api
+from ..util import langhelpers
 
-REQUIRED: Any
+_TE = TypeVar("_TE", bound=type_api.TypeEngine[Any])
 
-class _multiparam_column(elements.ColumnElement):
+REQUIRED: langhelpers._symbol
+
+class _multiparam_column(elements.ColumnElement[_TE]):
     index: Any = ...
-    key: Any = ...
-    original: Any = ...
+    key: str = ...
+    original: elements.ColumnElement[_TE] = ...
     default: Any = ...
-    type: Any = ...
-    def __init__(self, original: Any, index: Any) -> None: ...
-    def compare(self, other: Any, **kw: Any) -> None: ...
-    def __eq__(self, other: Any) -> Any: ...
+    type: _TE = ...  # type: ignore[assignment]
+    def __init__(
+        self, original: elements.ColumnElement[_TE], index: Any
+    ) -> None: ...
+    def compare(self, other: Any, **kw: Any) -> bool: ...
+    def __eq__(self, other: Any) -> bool: ...  # type: ignore[override]