1 /* 2 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"). 5 * You may not use this file except in compliance with the License. 6 * A copy of the License is located at 7 * 8 * http://aws.amazon.com/apache2.0 9 * 10 * or in the "license" file accompanying this file. This file is distributed 11 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 12 * express or implied. See the License for the specific language governing 13 * permissions and limitations under the License. 14 */ 15 16 package software.amazon.awssdk.core.util; 17 18 import java.util.List; 19 import software.amazon.awssdk.annotations.SdkProtectedApi; 20 21 /** 22 * A list that was auto constructed by the SDK. 23 * <p> 24 * The main purpose of this class is to help distinguish explicitly empty lists 25 * set on requests by the user, as some services may treat {@code null} or 26 * missing lists and empty list members differently. As such, this class should 27 * not be used directly by the user. 28 * 29 * @param <T> The element type. 30 */ 31 @SdkProtectedApi 32 public interface SdkAutoConstructList<T> extends List<T> { 33 } 34