Merge pull request #17490 from csvwolf/mongoose-useMongoClient

[mongoose] add useMongoClient in ConnectOpenOptionsBase Interface

types/mongoose/v3/index.d.ts

@@ -68,6 +68,7 @@ declare module "mongoose" {
     pass?: string;
     /** Options for authentication */
     auth?: any;
+    useMongoClient?: boolean;
   }
 
   export interface ConnectionOptions extends ConnectOpenOptionsBase {
@@ -656,4 +657,4 @@ declare module "mongoose" {
     error(err: any): Promise<T>;
   }
 
-}
+}