[pyxdg] Annotate Incompletes and fix getFiles return annotation (#15028)

Author: lev-blit

stubs/pyxdg/xdg/RecentFiles.pyi

@@ -1,4 +1,4 @@
-from _typeshed import Incomplete, StrOrBytesPath, StrPath
+from _typeshed import StrOrBytesPath, StrPath
 from collections.abc import Iterable
 
 class RecentFiles:
@@ -8,11 +8,9 @@ class RecentFiles:
     def parse(self, filename: StrPath | None = None) -> None: ...
     def write(self, filename: StrOrBytesPath | None = None) -> None: ...
     def getFiles(
-        self, mimetypes: Iterable[str] | None = None, groups: Iterable[Incomplete] | None = None, limit: int = 0
-    ) -> list[StrPath]: ...
-    def addFile(
-        self, item: StrPath, mimetype: str, groups: Iterable[Incomplete] | None = None, private: bool = False
-    ) -> None: ...
+        self, mimetypes: Iterable[str] | None = None, groups: Iterable[str] | None = None, limit: int = 0
+    ) -> list[RecentFile]: ...
+    def addFile(self, item: StrPath, mimetype: str, groups: Iterable[str] | None = None, private: bool = False) -> None: ...
     def deleteFile(self, item: RecentFile | StrPath) -> None: ...
     def sort(self) -> None: ...
 
@@ -21,7 +19,7 @@ class RecentFile:
     MimeType: str
     Timestamp: str
     Private: bool
-    Groups: list[Incomplete]
+    Groups: list[str]
     def __init__(self) -> None: ...
     def __cmp__(self, other: RecentFile) -> int: ...
     def __lt__(self, other: RecentFile) -> bool: ...