private fun readHeaderBlock(
    length: Int,
    padding: Int,
    flags: Int,
    streamId: Int,
  ): List<Header> {
    continuation.left = length
    continuation.length = continuation.left
    continuation.padding = padding
    continuation.flags = flags
    continuation.streamId = streamId

    // TODO: Concat multi-value headers with 0x0, except COOKIE, which uses 0x3B, 0x20.

//	  })
//	})
//
// It is an error to write more bytes to the child than allowed by the reserved
// length prefix. After the continuation returns, the child must be considered
// invalid, i.e. users must not store any copies or references of the child
// that outlive the continuation.
//
// If the continuation panics with a value of type BuildError then the inner
// error will be returned as the error from Bytes. If the child panics

    }.also { expected ->
      assertThat(expected.message).isEqualTo("Unexpected rsv1 flag")
    }
  }

  @Test fun reservedFlag1IsUnsupportedForContinuationFrames() {
    data.write("c000".decodeHex()) // Empty continuation, flag 1 set.
    assertFailsWith<ProtocolException> {
      clientReaderWithCompression.processNextFrame()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Unexpected rsv1 flag")
    }
  }

	return line, nil
}

// ReadContinuedLine reads a possibly continued line from r,
// eliding the final trailing ASCII white space.
// Lines after the first are considered continuations if they
// begin with a space or tab character. In the returned data,
// continuation lines are separated from the previous line
// only by a single space: the newline and leading white space
// are removed.
//
// For example, consider this input:
//

    frame.writeByte(Http2.TYPE_HEADERS)
    frame.writeByte(FLAG_NONE)
    frame.writeInt(expectedStreamId and 0x7fffffff)
    frame.write(headerBlock, Http2.INITIAL_MAX_FRAME_SIZE.toLong())

    // Write the continuation frame, specifying no more frames are expected.
    writeMedium(frame, headerBlock.size.toInt())
    frame.writeByte(Http2.TYPE_CONTINUATION)
    frame.writeByte(FLAG_END_HEADERS)

//
// Header specification:
// Continuation messages contain two headers, as follows:
// https://docs.aws.amazon.com/AmazonS3/latest/API/images/s3select-frame-diagram-cont.png
//
// Payload specification:
// Continuation messages have no payload.
var continuationMessage = []byte{
	0, 0, 0, 57, // total byte-length.

          maskCursor.close()
        }
      }

      if (isFinalFrame) break // We are exhausted and have no continuations.

      readUntilNonControlFrame()
      if (opcode != OPCODE_CONTINUATION) {
        throw ProtocolException("Expected continuation opcode. Got: ${opcode.toHexString()}")
      }
    }
  }

  @Throws(IOException::class)
  override fun close() {

				l.line(l.b[i:e])
			}
			i = e
		}

		// Whatever's left in l.b is a line fragment.
		if i == 0 && len(l.b) == cap(l.b) {
			// The whole buffer is a fragment.
			// Emit it as the beginning (or continuation) of a partial line.
			t := trimUTF8(l.b)
			l.part(l.b[:t])
			l.b = l.b[:copy(l.b, l.b[t:])]
			l.mid = true
		}

		// There's room for more input.
		// Slide it down in hope of completing the line.

			return false
		}
		bp, _ = rb.f.quickSpan(rb.src, bp, len(s), true)
	}
	return true
}

// patchTail fixes a case where a rune may be incorrectly normalized
// if it is followed by illegal continuation bytes. It returns the
// patched buffer and whether the decomposition is still in progress.
func patchTail(rb *reorderBuffer) bool {
	info, p := lastRuneStart(&rb.f, rb.out)
	if p == -1 || info.size == 0 {

			return false
		}
		bp, _ = rb.f.quickSpan(rb.src, bp, len(s), true)
	}
	return true
}

// patchTail fixes a case where a rune may be incorrectly normalized
// if it is followed by illegal continuation bytes. It returns the
// patched buffer and whether the decomposition is still in progress.
func patchTail(rb *reorderBuffer) bool {
	info, p := lastRuneStart(&rb.f, rb.out)
	if p == -1 || info.size == 0 {