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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.6

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2022 Guardsquare NV
 *
 * Licensed 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 proguard.analysis.cpa.interfaces;

import java.util.Collection;
import proguard.analysis.cpa.defaults.PrecisionAdjustmentResult;

/**
 * {@link PrecisionAdjustment} allows adjusting the {@link Algorithm} {@link Precision} based of the
 * reached abstract states. The evolution and the interpretation of {@link Precision} are arbitrary.
 *
 * @author Dmitry Ivanov
 */
public interface PrecisionAdjustment {

  /**
   * Returns a new {@link AbstractState} and {@link Precision} for the given reached abstract
   * states.
   */
  PrecisionAdjustmentResult prec(
      AbstractState abstractState,
      Precision precision,
      Collection reachedAbstractStates);
}