[error] invalid-return-type - Return type does not match returned value: expected `Mapping[int | str, Any]`, found `(AbstractSet[int | str] & Top[Mapping[Unknown, object]]) | (Mapping[int | str, Any] & AbstractSet[object]) | (Mapping[int | str, Any] & ~AbstractSet[object]) | dict[int | str, ellipsis]`
[error] invalid-return-type - Return type does not match returned value: expected `Mapping[int | str, Any]`, found `(AbstractSet[int | str] & Top[Mapping[Unknown, object]]) | Mapping[int | str, Any] | dict[int | str, ellipsis]`