* @return The Long value, or null if the key doesn't exist or value is null
     * @throws NumberFormatException if the value cannot be parsed as a Long
     */
    public static Long getLong(final Map<String, Object> map, final String key) {
        return getLong(map, key, null);
    }

    /**
     * Gets a Long value from the map with a default value.
     *
     * @param map The source map
     * @param key The key to look up

        map.put("int", 456);
        map.put("string", "789");

        assertEquals(Long.valueOf(123L), MapValueExtractor.getLong(map, "long"));
        assertEquals(Long.valueOf(456L), MapValueExtractor.getLong(map, "int"));
        assertEquals(Long.valueOf(789L), MapValueExtractor.getLong(map, "string"));
    }

    @Test
    public void testGetLong_withNullAndMissingKey() {
        Map<String, Object> map = new HashMap<>();

    }
  }

  private static LittleEndianBytes makeGetter() {
    try {
      /*
       * UnsafeByteArray uses Unsafe.getLong() in an unsupported way, which is known to cause
       * crashes on Android when running in 32-bit mode. For maximum safety, we shouldn't use
       * Unsafe.getLong() at all, but the performance benefit on x86_64 is too great to ignore, so

      super(CHUNK_SIZE);
      this.h1 = seed;
      this.h2 = seed;
      this.length = 0;
    }

    @Override
    protected void process(ByteBuffer bb) {
      long k1 = bb.getLong();
      long k2 = bb.getLong();
      bmix64(k1, k2);
      length += CHUNK_SIZE;
    }

    private void bmix64(long k1, long k2) {
      h1 ^= mixK1(k1);

      h1 = Long.rotateLeft(h1, 27);
      h1 += h2;

        JsonPath jsonPath = JsonPath.from(response);
        assertTrue(jsonPath.getInt("record_count") >= 0);
        assertTrue(jsonPath.getInt("page_size") >= 0);
        assertTrue(jsonPath.getLong("query_time") >= 0);
    }

    @Test
    public void testSuggestWords_pageSizeDefault() {
        Map<String, String> params = new HashMap<>();
        params.put("q", "a");

      addressAsLong = getEmbeddedIPv4ClientAddress(ip6).hashCode();
    } else {
      // Just extract the high 64 bits (assuming the rest is user-modifiable).
      addressAsLong = ByteBuffer.wrap(ip6.getAddress(), 0, 8).getLong();
    }

    // Many strategies for hashing are possible. This might suffice for now.
    int coercedHash = murmur3_32_fixed().hashLong(addressAsLong).asInt();

        assertTrue(Modifier.isPrivate(serialVersionField.getModifiers()));
        serialVersionField.setAccessible(true);
        assertEquals(1L, serialVersionField.getLong(null));
    }

    /**
     * Test that all label constants follow the naming convention
     */
    @Test
    public void test_labelConstantsNamingConvention() throws Exception {

         */
        for (i = 0; i < strideLimit; i += stride) {
          long lw = theUnsafe.getLong(left, BYTE_ARRAY_BASE_OFFSET + (long) i);
          long rw = theUnsafe.getLong(right, BYTE_ARRAY_BASE_OFFSET + (long) i);
          if (lw != rw) {
            if (BIG_ENDIAN) {
              return Long.compareUnsigned(lw, rw);
            }

    private long getSerialVersionUID() {
        try {
            java.lang.reflect.Field field = FessMessages.class.getDeclaredField("serialVersionUID");
            field.setAccessible(true);
            return field.getLong(null);
        } catch (Exception e) {
            fail("Failed to get serialVersionUID: " + e.getMessage());
            return -1;
        }
    }

    // Test error message methods without parameters

    assertEquals(6, getDone(transformedFuture).intValue());

    // Repeated calls yield the same value even though the function's behavior
    // changes
    holder.value = 3;
    assertEquals(6, getDone(transformedFuture).intValue());
    assertEquals(7, adder.apply(4).intValue());

    // Once more, with feeling.
    holder.value = 4;
    assertEquals(6, getDone(transformedFuture).intValue());