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The Checker Framework enhances Java's type system to make it more powerful and useful. This lets software developers detect and prevent errors in their Java programs. The Checker Framework includes compiler plug-ins ("checkers") that find bugs or verify their absence. It also permits you to write your own compiler plug-ins.

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package org.checkerframework.framework.flow;

import java.util.Set;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.type.TypeMirror;
import org.checkerframework.common.basetype.BaseTypeChecker;
import org.checkerframework.framework.type.GenericAnnotatedTypeFactory;

/** The default org.checkerframework.dataflow analysis used in the Checker Framework. */
public class CFAnalysis extends CFAbstractAnalysis {

  /**
   * Creates a new {@code CFAnalysis}.
   *
   * @param checker the checker
   * @param factory the factory
   */
  public CFAnalysis(
      BaseTypeChecker checker,
      GenericAnnotatedTypeFactory factory) {
    super(checker, factory);
  }

  @Override
  public CFStore createEmptyStore(boolean sequentialSemantics) {
    return new CFStore(this, sequentialSemantics);
  }

  @Override
  public CFStore createCopiedStore(CFStore s) {
    return new CFStore(s);
  }

  @Override
  public CFValue createAbstractValue(Set annotations, TypeMirror underlyingType) {
    return defaultCreateAbstractValue(this, annotations, underlyingType);
  }
}