1 /*
2  * Copyright (C) 2009 The Android Open Source Project
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  *      http://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 
17 package signature.compare.model;
18 
19 import signature.model.IWildcardType;
20 
21 /**
22  * {@code IWildcardTypeDelta} models the delta between two
23  * {@link IWildcardType} instances.
24  */
25 public interface IWildcardTypeDelta extends ITypeReferenceDelta<IWildcardType> {
26 
27     /**
28      * Returns the upper bound delta or {@code null} if no delta is available.
29      *
30      * @return the upper bound delta, maybe {@code null}
31      */
getUpperBoundDelta()32     IUpperBoundsDelta getUpperBoundDelta();
33 
34     /**
35      * Returns the lower bound delta or {@code null} if no delta is available.
36      *
37      * @return the lower bound delta, maybe {@code null}
38      */
getLowerBoundDelta()39     ITypeReferenceDelta<?> getLowerBoundDelta();
40 }
41