From 6dc0aa5160e7e3850c4d753f80657d9c33418993 Mon Sep 17 00:00:00 2001
From: "Kamat, Trivikram" <16024985+trivikr@users.noreply.github.com>
Date: Mon, 7 Aug 2023 20:43:34 +0000
Subject: [PATCH] feat(client-acm): allow client creation without parameter

---
 clients/client-acm/src/ACMClient.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/clients/client-acm/src/ACMClient.ts b/clients/client-acm/src/ACMClient.ts
index 5e6f066d4eee..8a26013e4f56 100644
--- a/clients/client-acm/src/ACMClient.ts
+++ b/clients/client-acm/src/ACMClient.ts
@@ -33,6 +33,7 @@ import {
 } from "@smithy/smithy-client";
 import {
   BodyLengthCalculator as __BodyLengthCalculator,
+  CheckOptionalClientConfig as __CheckOptionalClientConfig,
   Checksum as __Checksum,
   ChecksumConstructor as __ChecksumConstructor,
   Decoder as __Decoder,
@@ -317,8 +318,8 @@ export class ACMClient extends __Client<
    */
   readonly config: ACMClientResolvedConfig;
 
-  constructor(configuration: ACMClientConfig) {
-    const _config_0 = __getRuntimeConfig(configuration);
+  constructor(...[configuration]: __CheckOptionalClientConfig<ACMClientConfig>) {
+    const _config_0 = __getRuntimeConfig(configuration || {});
     const _config_1 = resolveClientEndpointParameters(_config_0);
     const _config_2 = resolveRegionConfig(_config_1);
     const _config_3 = resolveEndpointConfig(_config_2);