Updated endpoints.json.

Author: AWS

.changes/next-release/feature-AWSSDKforJavav2-bedacd4.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "AWS SDK for Java v2",
+    "contributor": "",
+    "description": "Updated service endpoint metadata."
+}

core/regions/src/main/resources/software/amazon/awssdk/regions/internal/region/endpoints.json

@@ -14700,8 +14700,18 @@
       },
       "firehose" : {
         "endpoints" : {
-          "cn-north-1" : { },
-          "cn-northwest-1" : { }
+          "cn-north-1" : {
+            "variants" : [ {
+              "hostname" : "firehose.cn-north-1.api.amazonwebservices.com.cn",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "cn-northwest-1" : {
+            "variants" : [ {
+              "hostname" : "firehose.cn-northwest-1.api.amazonwebservices.com.cn",
+              "tags" : [ "dualstack" ]
+            } ]
+          }
         }
       },
       "fms" : {