From e372b2ed373e1fb4096416a8eab49f893140d14b Mon Sep 17 00:00:00 2001
From: Staffan Eketorp <staffan@apple.com>
Date: Thu, 17 Mar 2022 10:11:32 -0700
Subject: [PATCH] NODE-4095 - hard to use findOne with filter
 https://www.mongodb.com/community/forums/t/mongodb-4-1-4-with-typescript-findone-syntax-error-type-void-is-not-assignable-to-type-dbuser-undefined-ts-2322/131533

---
 src/collection.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/collection.ts b/src/collection.ts
index 81be9fe3ee..1c2545831f 100644
--- a/src/collection.ts
+++ b/src/collection.ts
@@ -693,8 +693,8 @@ export class Collection<TSchema extends Document = Document> {
    * @param callback - An optional callback, a Promise will be returned if none is provided
    */
   findOne(): Promise<WithId<TSchema> | null>;
-  findOne(callback: Callback<WithId<TSchema> | null>): void;
   findOne(filter: Filter<TSchema>): Promise<WithId<TSchema> | null>;
+  findOne(callback: Callback<WithId<TSchema> | null>): void;
   findOne(filter: Filter<TSchema>, callback: Callback<WithId<TSchema> | null>): void;
   findOne(filter: Filter<TSchema>, options: FindOptions): Promise<WithId<TSchema> | null>;
   findOne(
@@ -705,8 +705,8 @@ export class Collection<TSchema extends Document = Document> {
 
   // allow an override of the schema.
   findOne<T = TSchema>(): Promise<T | null>;
-  findOne<T = TSchema>(callback: Callback<T | null>): void;
   findOne<T = TSchema>(filter: Filter<TSchema>): Promise<T | null>;
+  findOne<T = TSchema>(callback: Callback<T | null>): void;
   findOne<T = TSchema>(filter: Filter<TSchema>, options?: FindOptions): Promise<T | null>;
   findOne<T = TSchema>(
     filter: Filter<TSchema>,