List<Object> keys = Lists.newArrayList(map.keySet());
    List<Object> values = Lists.newArrayList(map.values());
    assertEquals(2 * entries.size(), alternatingKeysAndValues.length);
    assertEquals(2 * keys.size(), alternatingKeysAndValues.length);
    assertEquals(2 * values.size(), alternatingKeysAndValues.length);
    for (int i = 0; i < map.size(); i++) {

 * It allows for the replacement of placeholders (e.g., ${variable}) with their corresponding values.
 *
 * @since 4.0.0
 */
@Experimental
public interface Interpolator extends Service {

    /**
     * Interpolates the values in the given map using the provided callback function.
     * This method defaults to setting empty strings for unresolved placeholders.
     *

 * {@code K}. If a key has not yet been associated with a value, its implicit value is zero.
 *
 * <p>Most methods in this class treat absent values and zero values identically, as individually
 * documented. Exceptions to this are {@link #containsKey}, {@link #size}, {@link #isEmpty}, {@link
 * #asMap}, and {@link #toString}.
 *
 * <p>Instances of this class may be used by multiple threads concurrently. All operations are

    List<Object> keys = Lists.newArrayList(map.keySet());
    List<Object> values = Lists.newArrayList(map.values());
    assertEquals(2 * entries.size(), alternatingKeysAndValues.length);
    assertEquals(2 * keys.size(), alternatingKeysAndValues.length);
    assertEquals(2 * values.size(), alternatingKeysAndValues.length);
    for (int i = 0; i < map.size(); i++) {

                final String[] values = key.split("_");
                switch (values.length) {
                case 1:
                    return new Locale(values[0]);
                case 2:
                    return new Locale(values[0], values[1]);
                case 3:
                    return new Locale(values[0], values[1], values[2]);
                default:
                    break;

  private static final List<@Nullable Integer> IN_ORDER_VALUES = asList(null, 1, 2, 3, 4, 5);

  public void testCreateEmptyRangeFails() {
    for (BoundType lboundType : BoundType.values()) {
      for (BoundType uboundType : BoundType.values()) {
        assertThrows(
            IllegalArgumentException.class,
            () -> GeneralRange.range(ORDERING, 4, lboundType, 2, uboundType));
      }
    }
  }

    }

    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> putAll(K key, Iterable<? extends V> values) {
      super.putAll(key, values);
      return this;
    }

    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> putAll(K key, V... values) {
      super.putAll(key, values);
      return this;
    }

    @CanIgnoreReturnValue
    @Override

  public void testRoundToDouble_smallPositive() {
    new RoundToDoubleTester(BigDecimal.valueOf(16)).setExpectation(16.0, values()).test();
  }

  public void testRoundToDouble_maxPreciselyRepresentable() {
    new RoundToDoubleTester(BigDecimal.valueOf(1L << 53))
        .setExpectation(Math.pow(2, 53), values())
        .test();
  }

  public void testRoundToDouble_maxPreciselyRepresentablePlusOne() {

  /**
   * Returns a string containing the supplied {@code byte} values separated by {@code separator}.
   * For example, {@code join(":", 0x01, 0x02, -0x01)} returns the string {@code "1:2:-1"}.
   *
   * @param separator the text that should appear between consecutive values in the resulting string
   *     (but not at the start or end)
   * @param array an array of {@code byte} values, possibly empty
   */

  @CollectionSize.Require(SEVERAL)
  public void testRemoveAtIndexFromGetPropagates() {
    List<V> values = asList(v0(), v1(), v0());

    for (int i = 0; i < 3; i++) {
      resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
      List<V> expectedValues = copyToList(values);

      multimap().get(k0()).remove(i);
      expectedValues.remove(i);

      assertGet(k0(), expectedValues);