From 809803cdbfc4856c14cb5c3323d80b68182a2267 Mon Sep 17 00:00:00 2001
From: Bailey Pearson <bailey.pearson@mongodb.com>
Date: Mon, 28 Nov 2022 09:35:54 -0500
Subject: [PATCH] add type annotation to function

---
 src/cmap/connection_pool.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cmap/connection_pool.ts b/src/cmap/connection_pool.ts
index 63053c4cb2..276712ea54 100644
--- a/src/cmap/connection_pool.ts
+++ b/src/cmap/connection_pool.ts
@@ -617,7 +617,7 @@ export class ConnectionPool extends TypedEventEmitter<ConnectionPoolEvents> {
    *
    * @returns `true` if the connection was destroyed, `false` otherwise.
    */
-  private destroyConnectionIfPerished(connection: Connection) {
+  private destroyConnectionIfPerished(connection: Connection): boolean {
     const isStale = this.connectionIsStale(connection);
     const isIdle = this.connectionIsIdle(connection);
     if (!isStale && !isIdle && !connection.closed) {