* @return the header value, or null if the header does not exist.
     */
    public String getHeaderValue(final String name) {
        final String[] values = getHeaderValues(name);
        if (values.length == 0) {
            return null;
        }
        return values[0];
    }

  private static final byte LEAST = Byte.MIN_VALUE;
  private static final byte GREATEST = Byte.MAX_VALUE;

  private static final byte[] VALUES = {LEAST, -1, 0, 1, GREATEST};

  public void testCheckedCast() {
    for (byte value : VALUES) {
      assertThat(SignedBytes.checkedCast((long) value)).isEqualTo(value);
    }
    assertCastFails(GREATEST + 1L);
    assertCastFails(LEAST - 1L);

 *    default to their previous value.
 *
 * Every [edit] call must be matched by a call to [Editor.commit] or [Editor.abort]. Committing is
 * atomic: a read observes the full set of values as they were before or after the commit, but never
 * a mix of values.
 *
 * Clients call [get] to read a snapshot of an entry. The read will observe the value at the time

        }

        @ParameterizedTest
        @DisplayName("Should handle various capacity and free space values")
        @CsvSource({ "0, 0", "1024, 512", "1048576, 524288", "1073741824, 536870912", "9223372036854775807, 4611686018427387903", // Long.MAX_VALUE and half
                "-1, -1", // Negative values (edge case)
                "100, 200" // Free space greater than capacity (edge case)
        })

        int bytesRead = response.readParameterWordsWireFormat(buffer, bufferIndex);

        // Should still read 37 bytes regardless of reserved byte values
        assertEquals(37, bytesRead);
    }

    @Test
    @DisplayName("Test handling of maximum values")
    void testMaximumValues() throws Exception {
        byte[] buffer = new byte[100];
        int bufferIndex = 0;

        // Reserved bytes

    }
  }

  private final transient ImmutableList<Range<K>> ranges;
  private final transient ImmutableList<V> values;

  ImmutableRangeMap(ImmutableList<Range<K>> ranges, ImmutableList<V> values) {
    this.ranges = ranges;
    this.values = values;
  }

  @Override
  public @Nullable V get(K key) {
    int index =
        SortedLists.binarySearch(
            ranges,

                final String[] values = extractData.getValues(key);
                metaDataMap.put(key, values);

                // meta -> content
                if (fessConfig.isCrawlerMetadataContentIncluded(key)) {
                    final String joinedValue = StringUtils.join(values, ' ');
                    if (StringUtil.isNotBlank(joinedValue)) {

  fun assertRequestMethod(method: String) =
    apply {
      assertThat(request.method).isEqualTo(method)
    }

  fun assertRequestHeader(
    name: String,
    vararg values: String,
  ) = apply {
    assertThat(request.headers(name)).containsExactly(*values)
  }

  fun assertCode(expectedCode: Int) =
    apply {
      assertThat(response!!.code).isEqualTo(expectedCode)
    }

  fun assertSuccessful() =
    apply {

    initializeData(out);

    data = baos.toByteArray();
  }

  private void initializeData(DataOutputStream out) throws IOException {
    /* Write out various test values NORMALLY */
    out.write(new byte[] {-100, 100});
    out.writeBoolean(true);
    out.writeBoolean(false);
    out.writeByte(100);
    out.writeByte(-100);
    out.writeByte((byte) 200);
    out.writeChar('a');

    public void setBoost_PercentileRanks(double[] values) {
        setBoost_PercentileRanks(values, null);
    }

    public void setBoost_PercentileRanks(double[] values, ConditionOptionCall<PercentileRanksAggregationBuilder> opLambda) {
        setBoost_PercentileRanks("boost", values, opLambda);
    }