diff --git a/plugins/module_utils/generic.pyi b/plugins/module_utils/generic.pyi
new file mode 100644
index 0000000..0b6baaa
--- /dev/null
+++ b/plugins/module_utils/generic.pyi
@@ -0,0 +1,110 @@
+from typing import Any, Optional, Sequence, Dict, Tuple, Union
+from pathlib import PosixPath
+
+__all__ = [
+    'Types',
+    'SYSTEMD_SERVICE_CONFIG',
+    'SYSTEMD_NETWORK_CONFIG',
+    'SYSTEMD_CONFIG_ROOT',
+    'systemdbool',
+    'AnsibleParameter',
+]
+
+SYSTEMD_CONFIG_ROOT: PosixPath
+SYSTEMD_NETWORK_CONFIG: PosixPath
+SYSTEMD_SERVICE_CONFIG: PosixPath
+AnsibleParameter = dict[str, Any]
+
+class meta(type):
+    def __new__(cls, clsname, bases, attrs): ...
+
+class Types(metaclass=meta):
+    @staticmethod
+    def str(
+        required: bool = False,
+        help: Optional[str] = None,
+        choices: Optional[Sequence] = None,
+        default: Optional[Any] = None,
+    ): ...
+    @staticmethod
+    def bool(
+        required: bool = False,
+        help: Optional[str] = None,
+        choices: Optional[Sequence] = None,
+        default: Optional[Any] = None,
+    ): ...
+    @staticmethod
+    def int(
+        required: bool = False,
+        help: Optional[str] = None,
+        choices: Optional[Sequence] = None,
+        default: Optional[Any] = None,
+    ): ...
+    @staticmethod
+    def float(
+        required: bool = False,
+        help: Optional[str] = None,
+        choices: Optional[Sequence] = None,
+        default: Optional[Any] = None,
+    ): ...
+    @staticmethod
+    def path(
+        required: bool = False,
+        help: Optional[str] = None,
+        choices: Optional[Sequence] = None,
+        default: Optional[Any] = None,
+    ): ...
+    @staticmethod
+    def raw(
+        required: bool = False,
+        help: Optional[str] = None,
+        choices: Optional[Sequence] = None,
+        default: Optional[Any] = None,
+    ): ...
+    @staticmethod
+    def jsonarg(
+        required: bool = False,
+        help: Optional[str] = None,
+        choices: Optional[Sequence] = None,
+        default: Optional[Any] = None,
+    ): ...
+    @staticmethod
+    def json(
+        required: bool = False,
+        help: Optional[str] = None,
+        choices: Optional[Sequence] = None,
+        default: Optional[Any] = None,
+    ): ...
+    @staticmethod
+    def bytes(
+        required: bool = False,
+        help: Optional[str] = None,
+        choices: Optional[Sequence] = None,
+        default: Optional[Any] = None,
+    ): ...
+    @staticmethod
+    def bits(
+        required: bool = False,
+        help: Optional[str] = None,
+        choices: Optional[Sequence] = None,
+        default: Optional[Any] = None,
+    ): ...
+    @staticmethod
+    def list(
+        elements: type[object] | str | AnsibleParameter, required: bool = False, help: str | None = None
+    ) -> AnsibleParameter: ...
+    @staticmethod
+    def dict(required: bool = False, help: str | None = None, **options: AnsibleParameter) -> AnsibleParameter: ...
+
+def systemdbool(b: bool | str) -> str: ...
+def joindict(*items: dict) -> dict: ...
+def modspec(
+    argument_spec: Dict[str, Dict[str, Any]],
+    mutually_exclusive: Sequence[Tuple[str, ...]] = (),
+    required_together: Sequence[Tuple[str, ...]] = (),
+    required_one_of: Sequence[Tuple[str, ...]] = (),
+    required_if: Sequence[Union[Tuple[str, Any, Tuple[str, ...]], Tuple[str, Any, Tuple[str, ...], bool]]] = (),
+    required_by: Dict[str, Union[str, Tuple[str, ...]]] = {},
+    supports_check_mode: bool = False,
+    add_file_common_args: bool = False,
+) -> Dict[str, Any]: ...
diff --git a/plugins/module_utils/module.py b/plugins/module_utils/module.py
index 7192821..c61f2b8 100644
--- a/plugins/module_utils/module.py
+++ b/plugins/module_utils/module.py
@@ -197,11 +197,11 @@ class AnsibleModule(object):
             )
         )
 
-    def fail(self, message: str) -> NoReturn:
+    def fail(self, message: str) -> NoReturn:  # type: ignore[reportReturnType]
         """Wrapper for AnsibleModule.fail_json"""
         self.module.fail_json(message, **self.result)
 
-    def exit(self) -> NoReturn:
+    def exit(self) -> NoReturn:  # type: ignore[reportReturnType]
         """Wrapper for AnsibleModule.exit_json"""
         self.module.exit_json(**self.result)
 
@@ -289,7 +289,7 @@ class SystemdUnitModule(AnsibleModule):
         self.module.set_group_if_different(path.as_posix(), "root", False)
         self.module.set_mode_if_different(path.as_posix(), "0644", False)
         if self.unitfile.exists():
-            diff: dict[str, str] = dict()
+            diff = TypedDiff()  # type:ignore[reportCallIssue]
             self.changed = self.changed | self.module.set_owner_if_different(
                 self.unitfile.as_posix(),
                 "root",
@@ -297,7 +297,7 @@ class SystemdUnitModule(AnsibleModule):
                 diff,
             )
             self.diff(diff)
-            diff = dict()
+            diff = TypedDiff()  # type:ignore[reportCallIssue]
             self.changed = self.changed | self.module.set_group_if_different(
                 self.unitfile.as_posix(),
                 "root",
@@ -305,7 +305,7 @@ class SystemdUnitModule(AnsibleModule):
                 diff,
             )
             self.diff(diff)
-            diff = dict()
+            diff = TypedDiff()  # type:ignore[reportCallIssue]
             self.changed = self.changed | self.module.set_mode_if_different(
                 self.unitfile.as_posix(),
                 "0644",