String[] prefix = {"f", "g"};
      String[] suffix = {"h", "i"};

      String[] all = new String[2 + elements.length + 2];
      System.arraycopy(prefix, 0, all, 0, 2);
      System.arraycopy(elements, 0, all, 2, elements.length);
      System.arraycopy(suffix, 0, all, 2 + elements.length, 2);

      return ImmutableList.copyOf(all).subList(2, elements.length + 2);
    }
  }

  }

  /**
   * Tries to load Finalizer from the system class loader. If Finalizer is in the system class path,
   * we needn't create a separate loader.
   */
  static class SystemLoader implements FinalizerLoader {
    // This is used by the ClassLoader-leak test in FinalizableReferenceQueueTest to disable
    // finding Finalizer on the system class path even if it is there.
    @VisibleForTesting static boolean disabled;

  }

  /**
   * Tries to load Finalizer from the system class loader. If Finalizer is in the system class path,
   * we needn't create a separate loader.
   */
  static class SystemLoader implements FinalizerLoader {
    // This is used by the ClassLoader-leak test in FinalizableReferenceQueueTest to disable
    // finding Finalizer on the system class path even if it is there.
    @VisibleForTesting static boolean disabled;

   * the operating system's default line separator. This method is equivalent to {@code
   * writeLines(lines, System.getProperty("line.separator"))}.
   *
   * @throws IOException if an I/O error occurs while writing to this sink
   */
  public void writeLines(Iterable<? extends CharSequence> lines) throws IOException {
    writeLines(lines, System.getProperty("line.separator"));
  }

  /**

  public void testWrite() throws IOException {
    sink.write(data);

    assertContainsExpectedString();
  }

  public void testWriteLines_systemDefaultSeparator() throws IOException {
    String separator = System.getProperty("line.separator");
    sink.writeLines(lines);

    assertContainsExpectedLines(separator);
  }

  public void testWriteLines_specificSeparator() throws IOException {
    String separator = "\r\n";

    sink.writeLines(ImmutableList.of("foo", "bar", "baz"));
    String separator = System.getProperty("line.separator");
    assertEquals("foo" + separator + "bar" + separator + "baz" + separator, sink.getString());
  }

  public void testWriteLines_stream() throws IOException {
    sink.writeLines(ImmutableList.of("foo", "bar", "baz").stream());
    String separator = System.getProperty("line.separator");

    }
    assertEquals(oldName, Thread.currentThread().getName());
  }

  @J2ktIncompatible
  @GwtIncompatible // threads

  public void testRenaming_noPermissions() throws Exception {
    System.setSecurityManager(
        new SecurityManager() {
          @Override
          public void checkAccess(Thread t) {
            throw new SecurityException();
          }

          @Override

    }
  }

  private static Float[] concat(Float[] left, Float[] right) {
    Float[] result = new Float[left.length + right.length];
    System.arraycopy(left, 0, result, 0, left.length);
    System.arraycopy(right, 0, result, left.length, right.length);
    return result;
  }

  public abstract static class TestFloatListGenerator implements TestListGenerator<Float> {
    @Override

    }
  }

  private static Long[] concat(Long[] left, Long[] right) {
    Long[] result = new Long[left.length + right.length];
    System.arraycopy(left, 0, result, 0, left.length);
    System.arraycopy(right, 0, result, left.length, right.length);
    return result;
  }

  public abstract static class TestLongListGenerator implements TestListGenerator<Long> {
    @Override

/** @author Chris Povirk */
@GwtCompatible(emulated = true)
class TestPlatform {
  static boolean intsCanGoOutOfRange() {
    return false;
  }

  static boolean isAndroid() {
    return System.getProperty("java.runtime.name", "").contains("Android");
  }