checker/tests/nullness/SamFileValidator.java

// @skip-test Crashes the Checker Framework, but skipped to avoid breaking the build

import java.util.AbstractMap;
import java.util.Map;

public class SamFileValidator {

  private class Codec {
    public Map.Entry<String, String> decode() {
      return new AbstractMap.SimpleEntry("hello", "goodbye");
    }
  }
}