content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.instrumentation;
  
  import java.util.ArrayList;
  import java.util.List;
  import javax.annotation.Nullable;
  
  public class TestHelperClasses {
  
    public static class Helper extends HelperSuperClass implements HelperInterface {
  
      @Override
      @SuppressWarnings("ModifiedButNotUsed")
      public void foo() {
        List<String> list = new ArrayList<>();
        list.add(getStr());
      }
  
      @Override
      protected int abstractMethod() {
        return 54321;
      }
  
      private static String getStr() {
        return "abc";
      }
    }
  
    public interface HelperInterface {
      void foo();
    }
  
    public interface AnotherHelperInterface extends HelperInterface {
      void bar();
  
      @Override
      int hashCode();
  
      @Override
      boolean equals(@Nullable Object other);
  
      Object clone();
  
      @SuppressWarnings({"checkstyle:NoFinalizer", "Finalize"})
      void finalize();
    }
  
    public abstract static class HelperSuperClass {
      protected abstract int abstractMethod();
  
      public final String finalMethod() {
        return "42";
      }
  
      static int bar() {
        return 12345;
      }
    }
  
    private TestHelperClasses() {}
  }
  