list.set(0, 4.0);
    assertThat(newArray).isEqualTo(new double[] {0.0, 1.0, 2.0});
    newArray[1] = 5.0;
    assertThat((double) list.get(1)).isEqualTo(1.0);
  }

  // This test stems from a real bug found by andrewk
  public void testAsList_subList_toArray_roundTrip() {
    double[] array = {0.0, 1.0, 2.0, 3.0};
    List<Double> list = Doubles.asList(array);

    list.set(0, 4L);
    assertThat(newArray).isEqualTo(new long[] {0L, 1L, 2L});
    newArray[1] = 5L;
    assertThat((long) list.get(1)).isEqualTo(1L);
  }

  // This test stems from a real bug found by andrewk
  public void testAsList_subList_toArray_roundTrip() {
    long[] array = {0L, 1L, 2L, 3L};
    List<Long> list = Longs.asList(array);

   * return {@code false}.
   */
  public static boolean isLowerCase(char c) {
    // Note: This was benchmarked against the alternate expression "(char)(c - 'a') < 26" (Nov '13)
    // and found to perform at least as well, or better.
    return (c >= 'a') && (c <= 'z');
  }

  /**
   * Indicates whether {@code c} is one of the twenty-six uppercase ASCII alphabetic characters

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package tar

import (
	"errors"
	"fmt"
	"io"
	"io/fs"
	"maps"
	"path"
	"slices"
	"strings"
	"time"
)

// Writer provides sequential writing of a tar archive.
// [Writer.WriteHeader] begins a new file with the provided [Header],

// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package tar

import (
	"bytes"
	"errors"
	"fmt"
	"internal/testenv"
	"io"
	"io/fs"
	"maps"
	"math"
	"os"
	"path"
	"path/filepath"
	"reflect"
	"slices"
	"strings"
	"testing"
	"time"
)

type testError struct{ error }

        checkState(removeExact(requireNonNull(lastFromForgetMeNot)));
        lastFromForgetMeNot = null;
      }
    }

    /** Returns true if an exact reference (==) was found and removed from the supplied iterable. */
    private boolean foundAndRemovedExactReference(Iterable<E> elements, E target) {
      for (Iterator<E> it = elements.iterator(); it.hasNext(); ) {
        E element = it.next();

      Assert.assertFalse(
          "No "
              + factoryMethodsDescription
              + " that return "
              + returnTypeToTest.getName()
              + " or subtype are found in "
              + declaringClass
              + ".",
          factoriesToTest.isEmpty());
      return factoriesToTest;
    }
  }

  private void testEqualsUsing(Invokable<?, ?> factory)

import java.util.Comparator;
import java.util.List;
import java.util.RandomAccess;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to {@code float} primitives, that are not already found in
 * either {@link Float} or {@link Arrays}.
 *
 * <p>See the Guava User Guide article on <a
 * href="https://github.com/google/guava/wiki/PrimitivesExplained">primitive utilities</a>.
 *
 * @author Kevin Bourrillion

        }
    } catch (Exception e) {
        log.debug("Failed to discover cluster witness via DNS", e);
    }
    
    return null;  // No witness service found
}

private boolean isWitnessServiceAvailable(InetAddress address) {
    try (Socket socket = new Socket()) {
        socket.connect(new InetSocketAddress(address, 135), 5000);  // RPC endpoint
        return true;

     *            the object to search for
     * @param fromIndex
     *            the index to start the search from
     * @return the index of the first occurrence of the object in the array, or {@literal -1} if not found
     */
    public static <T> int indexOf(final T[] array, final T obj, final int fromIndex) {
        if (array != null) {
            for (int i = fromIndex; i < array.length; ++i) {