Add km module kafka gateway

clients/build/resources/main/common/message/CreateDelegationTokenRequest.json

@@ -0,0 +1,36 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+{
+  "apiKey": 38,
+  "type": "request",
+  "name": "CreateDelegationTokenRequest",
+  // Version 1 is the same as version 0.
+  //
+  // Version 2 is the first flexible version.
+  "validVersions": "0-2",
+  "flexibleVersions": "2+",
+  "fields": [
+    { "name": "Renewers", "type": "[]CreatableRenewers", "versions": "0+",
+      "about": "A list of those who are allowed to renew this token before it expires.", "fields": [
+      { "name": "PrincipalType", "type": "string", "versions": "0+",
+        "about": "The type of the Kafka principal." },
+      { "name": "PrincipalName", "type": "string", "versions": "0+",
+        "about": "The name of the Kafka principal." }
+    ]},
+    { "name": "MaxLifetimeMs", "type": "int64", "versions": "0+",
+      "about": "The maximum lifetime of the token in milliseconds, or -1 to use the server side default." }
+  ]
+}