entryIterator.next();
    entryIterator.remove();
    assertFalse(underlying.containsKey("g"));

    assertTrue(underlying.isEmpty());
    assertTrue(map.isEmpty());
    assertTrue(keys.isEmpty());
    assertTrue(values.isEmpty());
    assertTrue(entries.isEmpty());
  }

  public void testTransformEquals() {
    Map<String, Integer> underlying = ImmutableMap.of("a", 0, "b", 1, "c", 2);

      Entry<K, Collection<V>> entry = entryIterator.next();
      K key = entry.getKey();
      Collection<V> collection = filterCollection(entry.getValue(), new ValuePredicate(key));
      if (!collection.isEmpty()
          && predicate.apply(Maps.<K, Collection<V>>immutableEntry(key, collection))) {
        if (collection.size() == entry.getValue().size()) {
          entryIterator.remove();
        } else {

        .toList()
        .map { it.toByteString().hex() }

    if (platform.isConscrypt()) {
      if (tlsVersion == TlsVersion.TLS_1_3) {
        assertThat(sessionIds[0]).isEmpty()
        assertThat(sessionIds[1]).isEmpty()

        // https://github.com/google/conscrypt/issues/985
        // assertThat(directSessionIds).containsExactlyInAnyOrder(sessionIds[0], sessionIds[1])
      } else {

        byte[] data = createTestData(32);

        // When
        String result = Hexdump.toHexString(data, 0, data.length);

        // Then
        assertNotNull(result);
        assertFalse(result.isEmpty());
        // Should contain hex representation of first bytes
        assertTrue(result.startsWith("00010203"));
        assertEquals(64, result.length()); // 32 bytes * 2 chars per byte
    }

    @ParameterizedTest

        assertArgumentNotEmpty("pattern", pattern);
        this.pattern = pattern;
    }

    @Override
    public Object getAsObject(final String value) {
        if (StringUtil.isEmpty(value)) {
            return null;
        }
        try {
            return new DecimalFormat(pattern).parse(value);
        } catch (final ParseException e) {
            throw new ParseRuntimeException(e);

        this.took = took;
        if (errors != null && !errors.isEmpty()) {
            this.errors.addAll(errors);
        }
    }

    /**
     * Checks if the response has any errors.
     * @return True if there are errors, false otherwise.
     */
    public boolean hasError() {
        return !errors.isEmpty();
    }

    /**
     * Returns the list of errors.

        assertEquals("", fieldsStr);
        String[] fields = fieldsStr.isEmpty() ? new String[0] : fieldsStr.split(",");
        assertEquals(0, fields.length);
    }

    public void test_indexAdminFloatFields() {
        String fieldsStr = fessConfig.getIndexAdminFloatFields();
        assertEquals("", fieldsStr);
        String[] fields = fieldsStr.isEmpty() ? new String[0] : fieldsStr.split(",");
        assertEquals(0, fields.length);

    require(keepAliveDuration > 0L) { "keepAliveDuration <= 0: $keepAliveDuration" }
  }

  fun idleConnectionCount(): Int =
    connections.count {
      it.withLock { it.calls.isEmpty() }
    }

  fun connectionCount(): Int = connections.size

  /**
   * Attempts to acquire a recycled connection to [address] for [connectionUser]. Returns the connection if it

  }

  /** Returns an immutable array containing the given values, in order. */
  public static ImmutableLongArray copyOf(Collection<Long> values) {
    return values.isEmpty() ? EMPTY : new ImmutableLongArray(Longs.toArray(values));
  }

  /**
   * Returns an immutable array containing the given values, in order.
   *

  }

  /** Returns an immutable array containing the given values, in order. */
  public static ImmutableIntArray copyOf(Collection<Integer> values) {
    return values.isEmpty() ? EMPTY : new ImmutableIntArray(Ints.toArray(values));
  }

  /**
   * Returns an immutable array containing the given values, in order.
   *