if (isJdk9OrHigher()) {
      return;
    }
    SecurityManager oldSecurityManager = System.getSecurityManager();
    try {
      System.setSecurityManager(null);
      doTestUnloadable();
    } finally {
      System.setSecurityManager(oldSecurityManager);
    }
  }

  /**

         * So this is probably just the "Windows Java 8" case. In that case, if we wanted *another*
         * layer of fallback before consulting the system property, we could try
         * com.sun.security.auth.module.NTSystem.
         *
         * But for now, we use the value from the system property as our best guess.
         */
        return fromSystemProperty;
      } catch (InvocationTargetException e) {

      if (initialBytes == null) {
        return checkNotNull(bytes);
      } else {
        byte[] result = new byte[initialBytes.length + bytes.length];
        System.arraycopy(initialBytes, 0, result, 0, initialBytes.length);
        System.arraycopy(bytes, 0, result, initialBytes.length, bytes.length);
        return result;
      }
    }

    @Override
    public byte[] getSinkContents() throws IOException {

    if (future.isDone()) {
      return;
    }
    long timeoutSeconds = timeoutSeconds();
    long deadline = System.nanoTime() + SECONDS.toNanos(timeoutSeconds);
    do {
      System.runFinalization();
      if (future.isDone()) {
        return;
      }
      System.gc();
      try {
        future.get(1L, SECONDS);
        return;
      } catch (CancellationException | ExecutionException ok) {

import static com.google.common.util.concurrent.SequentialExecutor.WorkerRunningState.QUEUING;
import static com.google.common.util.concurrent.SequentialExecutor.WorkerRunningState.RUNNING;
import static java.lang.System.identityHashCode;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Preconditions;

    ByteProcessor<byte[]> processor =
        new ByteProcessor<byte[]>() {
          int pos;

          @Override
          public boolean processBytes(byte[] buf, int off, int len) throws IOException {
            System.arraycopy(buf, off, processedBytes, pos, len);
            pos += len;
            return true;
          }

          @Override
          public byte[] getResult() {
            return processedBytes;

    }

    final char[] array = new char[size];
    string.getChars(0, len, array, 0);
    int n;
    for (n = len; n < size - n; n <<= 1) {
      System.arraycopy(array, 0, array, n, n);
    }
    System.arraycopy(array, 0, array, n, size - n);
    return new String(array);
  }

  /**
   * Returns the longest string {@code prefix} such that {@code a.toString().startsWith(prefix) &&

      assertFalse(MoreFiles.isRegularFile(NOFOLLOW_LINKS).apply(symlinkToFile));
    }
  }

  /**
   * Creates a new file system for testing that supports the given features in addition to
   * supporting symbolic links. The file system is created initially having the following file
   * structure:
   *
   * <pre>
   *   /
   *      work/
   *         dir/
   *            a

    array[3] = e4;
    array[4] = e5;
    array[5] = e6;
    array[6] = e7;
    array[7] = e8;
    array[8] = e9;
    array[9] = e10;
    array[10] = e11;
    array[11] = e12;
    System.arraycopy(others, 0, array, 12, others.length);
    return construct(array);
  }

  /**
   * Returns an immutable list containing the given elements, in order. If {@code elements} is a

    final int i = 1;
    final String s = "hello world";
    Class<?> anonymous =
        new Runnable() {
          @Override
          public void run() {
            System.out.println(s + i);
          }
        }.getClass();
    Constructor<?> constructor = anonymous.getDeclaredConstructors()[0];
    assertEquals(0, Invokable.from(constructor).getParameters().size());
  }