// Get frame length, optionally reading from follow-up bytes if indicated by special values.
    frameLength = (b1 and B1_MASK_LENGTH).toLong()
    if (frameLength == PAYLOAD_SHORT.toLong()) {
      frameLength = (source.readShort() and 0xffff).toLong() // Value is unsigned.
    } else if (frameLength == PAYLOAD_LONG.toLong()) {
      frameLength = source.readLong()
      if (frameLength < 0L) {
        throw ProtocolException(

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

    assertThat(body.contentLength()).isEqualTo(expected.length.toLong())
    val buffer = Buffer()
    body.writeTo(buffer)
    assertThat(buffer.readUtf8()).isEqualTo(expected)
  }

  @Test
  fun buildEmptyForm() {
    val body = FormBody.Builder().build()
    val expected = ""
    assertThat(body.contentLength()).isEqualTo(expected.length.toLong())
    val buffer = Buffer()
    body.writeTo(buffer)

  }

  override fun readTimeoutMillis(): Int = readTimeoutMillis

  override fun withReadTimeout(
    timeout: Int,
    unit: TimeUnit,
  ): Interceptor.Chain {
    check(exchange == null) { "Timeouts can't be adjusted in a network interceptor" }

    return copy(readTimeoutMillis = checkDuration("readTimeout", timeout.toLong(), unit))
  }

  };

  private static final int LEAST = (int) 0L;
  private static final int GREATEST = (int) 0xffffffffL;

  public void testCheckedCast() {
    for (long value : UNSIGNED_INTS) {
      assertThat(UnsignedInts.toLong(UnsignedInts.checkedCast(value))).isEqualTo(value);
    }
    assertCastFails(1L << 32);
    assertCastFails(-1L);
    assertCastFails(Long.MAX_VALUE);
    assertCastFails(Long.MIN_VALUE);
  }

      frameHeader(
        streamId = streamId,
        length = length + 4,
        type = TYPE_PUSH_PROMISE,
        flags = if (byteCount == length.toLong()) FLAG_END_HEADERS else 0,
      )
      sink.writeInt(promisedStreamId and 0x7fffffff)
      sink.write(hpackBuffer, length.toLong())

      if (byteCount > length) writeContinuationFrames(streamId, byteCount - length)
    }
  }

  @Throws(IOException::class)

        } else if (type == Double.class) {
            return DoubleConversionUtil.toDouble(o);
        } else if (type == Long.class) {
            return LongConversionUtil.toLong(o);
        } else if (type == Float.class) {
            return FloatConversionUtil.toFloat(o);
        } else if (type == Short.class) {
            return ShortConversionUtil.toShort(o);

        }

        toWrite = minOf(byteCount, writeBytesMaximum - writeBytesTotal).toInt()
        toWrite = minOf(toWrite, writer.maxDataLength())
        writeBytesTotal += toWrite.toLong()
      }

      byteCount -= toWrite.toLong()
      writer.data(outFinished && byteCount == 0L, streamId, buffer, toWrite)
    }
  }

  internal fun writeSynResetLater(
    streamId: Int,
    errorCode: ErrorCode,
  ) {

# TF does not support python3.13.
RUN ln -sf /usr/bin/python3.12 /usr/bin/python3
RUN ln -sf /usr/bin/python3.12 /usr/bin/python
RUN ln -sf /usr/lib/python3.12 /usr/lib/tf_python

# Make sure clang is on the path
RUN ln -s /usr/lib/llvm-18/bin/clang /usr/bin/clang

# Install various tools.
# - bats: bash unit testing framework
# - bazelisk: always use the correct bazel version
# - buildifier: clean bazel build deps

 */
class HeadersReader(val source: BufferedSource) {
  private var headerLimit = HEADER_LIMIT.toLong()

  /** Read a single line counted against the header size limit. */
  fun readLine(): String {
    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

  /** Reads headers or trailers. */
  fun readHeaders(): Headers {