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1   /*
2    *    Copyright 2009-2022 the original author or authors.
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    *    You may obtain a copy of the License at
7    *
8    *       https://www.apache.org/licenses/LICENSE-2.0
9    *
10   *    Unless required by applicable law or agreed to in writing, software
11   *    distributed under the License is distributed on an "AS IS" BASIS,
12   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *    See the License for the specific language governing permissions and
14   *    limitations under the License.
15   */
16  package org.apache.ibatis.submitted.optional_on_mapper_method;
17  
18  import java.util.Optional;
19  
20  import org.apache.ibatis.annotations.Select;
21  
22  public interface Mapper {
23  
24    @Select("select * from users where id = #{id}")
25    Optional<User> getUserUsingAnnotation(Integer id);
26  
27    Optional<User> getUserUsingXml(Integer id);
28  
29  }