Murmur3_32Hasher(int seed) {
      this.h1 = seed;
      this.length = 0;
      isDone = false;
    }

    private void update(int nBytes, long update) {
      // 1 <= nBytes <= 4
      buffer |= (update & 0xFFFFFFFFL) << shift;
      shift += nBytes * 8;
      length += nBytes;

      if (shift >= 32) {
        h1 = mixH1(h1, mixK1((int) buffer));
        buffer >>>= 32;
        shift -= 32;
      }
    }

    Murmur3_32Hasher(int seed) {
      this.h1 = seed;
      this.length = 0;
      isDone = false;
    }

    private void update(int nBytes, long update) {
      // 1 <= nBytes <= 4
      buffer |= (update & 0xFFFFFFFFL) << shift;
      shift += nBytes * 8;
      length += nBytes;

      if (shift >= 32) {
        h1 = mixH1(h1, mixK1((int) buffer));
        buffer >>>= 32;
        shift -= 32;
      }
    }

  public static boolean isCompatIPv4Address(Inet6Address ip) {
    if (!ip.isIPv4CompatibleAddress()) {
      return false;
    }

    byte[] bytes = ip.getAddress();
    if ((bytes[12] == 0)
        && (bytes[13] == 0)
        && (bytes[14] == 0)
        && ((bytes[15] == 0) || (bytes[15] == 1))) {
      return false;
    }

    return true;
  }

  /**

  public static boolean isCompatIPv4Address(Inet6Address ip) {
    if (!ip.isIPv4CompatibleAddress()) {
      return false;
    }

    byte[] bytes = ip.getAddress();
    if ((bytes[12] == 0)
        && (bytes[13] == 0)
        && (bytes[14] == 0)
        && ((bytes[15] == 0) || (bytes[15] == 1))) {
      return false;
    }

    return true;
  }

  /**

import com.google.common.collect.Lists;

public class MemoryUtilTest extends UnitFessTestCase {

    public void test_byteCountToDisplaySize() {
        assertEquals("0bytes", MemoryUtil.byteCountToDisplaySize(0L));
        assertEquals("999bytes", MemoryUtil.byteCountToDisplaySize(999L));
        assertEquals("1000bytes", MemoryUtil.byteCountToDisplaySize(1000L));

    assertThat(Point.ADAPTER.toDer(point)).isEqualTo(bytes)
  }

  @Test fun `point with only y set`() {
    val bytes = "3003810109".decodeHex()
    val point = Point(null, 9L)
    assertThat(Point.ADAPTER.fromDer(bytes)).isEqualTo(point)
    assertThat(Point.ADAPTER.toDer(point)).isEqualTo(bytes)
  }

  @Test fun `point with both fields set`() {

    val body = body("")
    assertThat(body.bytes().size).isEqualTo(0)
  }

  @Test
  fun bytesSeesBom() {
    val body = body("efbbbf68656c6c6f")
    val bytes = body.bytes()
    assertThat(bytes[0] and 0xff).isEqualTo(0xef)
    assertThat(bytes[1] and 0xff).isEqualTo(0xbb)
    assertThat(bytes[2] and 0xff).isEqualTo(0xbf)
    assertThat(String(bytes, 3, 5, StandardCharsets.UTF_8)).isEqualTo("hello")
  }

    }

    private /* static */ long lowerEight(byte[] bytes) {
      return Longs.fromBytes(
          bytes[7], bytes[6], bytes[5], bytes[4], bytes[3], bytes[2], bytes[1], bytes[0]);
    }

    private /* static */ long upperEight(byte[] bytes) {
      return Longs.fromBytes(
          bytes[15], bytes[14], bytes[13], bytes[12], bytes[11], bytes[10], bytes[9], bytes[8]);
    }
  };

  /**

   *
   *  * 16 bytes: either `OkHttp cache v1\n` if the persisted file is complete. This is another
   *    sequence of bytes if the file is incomplete and should not be used.
   *  * 8 bytes: *n*: upstream data size
   *  * 8 bytes: *m*: metadata size
   *  * *n* bytes: upstream data
   *  * *m* bytes: metadata
   *

    }

    val bytes = source().use(consumer)
    val size = sizeMapper(bytes)
    if (contentLength != -1L && contentLength != size.toLong()) {
      throw IOException("Content-Length ($contentLength) and stream length ($size) disagree")
    }
    return bytes
  }

  /**
   * Returns the response as a character stream.
   *