List<Double> doubles = Arrays.asList(0.0, 1.0, 2.0);

    assertThat(Floats.toArray(bytes)).isEqualTo(array);
    assertThat(Floats.toArray(shorts)).isEqualTo(array);
    assertThat(Floats.toArray(ints)).isEqualTo(array);
    assertThat(Floats.toArray(floats)).isEqualTo(array);
    assertThat(Floats.toArray(longs)).isEqualTo(array);
    assertThat(Floats.toArray(doubles)).isEqualTo(array);
  }

    List<Double> doubles = Arrays.asList(0.0, 1.0, 2.0);

    assertThat(Ints.toArray(bytes)).isEqualTo(array);
    assertThat(Ints.toArray(shorts)).isEqualTo(array);
    assertThat(Ints.toArray(ints)).isEqualTo(array);
    assertThat(Ints.toArray(floats)).isEqualTo(array);
    assertThat(Ints.toArray(longs)).isEqualTo(array);
    assertThat(Ints.toArray(doubles)).isEqualTo(array);
  }

    List<Double> doubles = Arrays.asList(0.0, 1.0, 2.0);

    assertThat(Floats.toArray(bytes)).isEqualTo(array);
    assertThat(Floats.toArray(shorts)).isEqualTo(array);
    assertThat(Floats.toArray(ints)).isEqualTo(array);
    assertThat(Floats.toArray(floats)).isEqualTo(array);
    assertThat(Floats.toArray(longs)).isEqualTo(array);
    assertThat(Floats.toArray(doubles)).isEqualTo(array);
  }

    assertThat(Chars.toArray(none)).isEqualTo(EMPTY);

    List<Character> one = Arrays.asList((char) 1);
    assertThat(Chars.toArray(one)).isEqualTo(ARRAY1);

    char[] array = {(char) 0, (char) 1, 'A'};

    List<Character> three = Arrays.asList((char) 0, (char) 1, 'A');
    assertThat(Chars.toArray(three)).isEqualTo(array);

    assertThat(Chars.toArray(Chars.asList(array))).isEqualTo(array);
  }

        Object[] result = standardToArray();
        return result;
      }

      @Override
      @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations
      public <T extends @Nullable Object> T[] toArray(T[] array) {
        return standardToArray(array);
      }
    };
  }

  @Override
  @CanIgnoreReturnValue

      Set<Object> expected = new HashMap<>(cache.asMap()).keySet();
      assertThat(keys).containsExactlyElementsIn(expected);
      assertThat(keys.toArray()).asList().containsExactlyElementsIn(expected);
      assertThat(keys.toArray(new Object[0])).asList().containsExactlyElementsIn(expected);

      new EqualsTester()
          .addEqualityGroup(cache.asMap().keySet(), keys)

        public Iterator<E> iterator() {
            return parent.iterator();
        }

        @Override
        public Object[] toArray() {
            return parent.toArray();
        }

        @Override
        public <T> T[] toArray(final T[] a) {
            return parent.toArray(a);
        }

        @Override
        public boolean add(final E e) {
            return parent.add(e);
        }

        if (StringUtil.isBlank(value)) {
            return StringUtil.EMPTY_STRINGS;
        }
        return split(value, ",").get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).toArray(n -> new String[n]));
    }

    /**
     * Gets the default roles as an array.
     *
     * @return the default roles
     */
    protected static String[] getDefaultRolesAsArray() {

     */
    Interface a = new Impl();
    Interface b = new Impl();
    ImmutableSortedSet<Interface> set = ImmutableSortedSet.of(a, b);
    Object[] unused1 = set.toArray();
    Object[] unused2 = set.toArray(new Object[2]);
  }

  interface Interface extends Comparable<Interface> {}

  static class Impl implements Interface {
    static int nextId;
    Integer id = nextId++;

        if (StringUtil.isNotBlank(value)) {
            split(value, ",").of(stream -> stream.forEach(list::add));
        }
        return list.stream().filter(StringUtil::isNotBlank).map(String::trim).toArray(n -> new String[n]);
    }

    /**
     * Gets the default roles as an array.
     * @return The default roles as an array.
     */
    protected String[] getDefaultRolesAsArray() {