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811af7f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | Fix the following issue:
ts def of updateOne&findOneAndUpdate returns FlattenMap instead of UpdateWriteOpResult, when lean() is used
### Prerequisites
- [X] I have written a descriptive issue title
- [X] I have searched existing issues to ensure the bug has not already been reported
### Mongoose version
7.1.0
### Node.js version
16.20
### MongoDB server version
5.x
### Typescript version (if applicable)
4.9.5
### Description
I tried upgrading to mongoose 7.x, but now I'm stuck with some typescript issues.
somehow updateOne returns a FlattenMap and not the ResultType defined in updateOne:
I would expect a UpdateWriteOpResult here.
### Steps to Reproduce
my UserModel is defined as
```
const userSchema = new Schema({...});
export interface IDBUser { .. };
const DBUserModel: Model<IDBUser> = model<IDBUser>('User', userSchema);
```
just run updateOne on it and check the return type.
### Expected Behavior
typescript should correctly return the UpdateWriteOpResult |