fix comment

common/src/main/java/org/apache/gravitino/credential/CredentialUtils.java

@@ -0,0 +1,33 @@
+/*
+ *  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.
+ */
+
+package org.apache.gravitino.credential;
+
+import java.util.Map;
+
+/**
+ * Helper class to generate specific credential properties for different table format and engine.
+ */
+public class CredentialUtils {
+  // Generate Iceberg specific properties for Spark, IcebergRESTServer, Flink, etc.
+  public static Map<String, String> toIcebergProperties(Credential credential) {
+    // todo: transform specific credential to iceberg properties
+    return credential.toProperties();
+  }
+}