private static final Constructor<Thread> bigThreadConstructor = getBigThreadConstructor();

  @CheckForNull
  private static final Field inheritableThreadLocals =
      (bigThreadConstructor == null) ? getInheritableThreadLocalsField() : null;

  /** Constructs a new finalizer thread. */
  private Finalizer(
      Class<?> finalizableReferenceClass,
      ReferenceQueue<Object> queue,
      PhantomReference<Object> frqReference) {

  private static final Constructor<Thread> bigThreadConstructor = getBigThreadConstructor();

  @CheckForNull
  private static final Field inheritableThreadLocals =
      (bigThreadConstructor == null) ? getInheritableThreadLocalsField() : null;

  /** Constructs a new finalizer thread. */
  private Finalizer(
      Class<?> finalizableReferenceClass,
      ReferenceQueue<Object> queue,
      PhantomReference<Object> frqReference) {