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      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.IParameter;
     20 
     21 /**
     22  * {@code IParameterDelta} models the delta between two {@link IParameter}
     23  * instances.
     24  */
     25 public interface IParameterDelta extends IDelta<IParameter>,
     26         IAnnotatableElementDelta {
     27 
     28     /**
     29      * Returns a parameter type delta or {@code null} if no delta is available.
     30      *
     31      * @return a parameter type delta, maybe {@code null}
     32      */
     33     public ITypeReferenceDelta<?> getTypeDelta();
     34 }
     35