val dataSize = messageBuffer.size
    sinkBuffer.writeByte(b0)

    var b1 = 0
    if (isClient) {
      b1 = b1 or B1_FLAG_MASK
    }
    when {
      dataSize <= PAYLOAD_BYTE_MAX -> {
        b1 = b1 or dataSize.toInt()
        sinkBuffer.writeByte(b1)
      }
      dataSize <= PAYLOAD_SHORT_MAX -> {
        b1 = b1 or PAYLOAD_SHORT
        sinkBuffer.writeByte(b1)
        sinkBuffer.writeShort(dataSize.toInt())

						processValue(builder, nv)
					} else {
						builder.AddVar(builder, nv)
					}
				} else {
					builder.WriteByte('@')
					builder.WriteString(string(name))
				}
				inName = false
			}

			afterParenthesis = false
			builder.WriteByte(v)
		} else if v == '?' && len(expr.Vars) > idx {
			if afterParenthesis {
				processValue(builder, expr.Vars[idx])
			} else {

        sink.writeUtf8(url.toString()).writeByte('\n'.code)
        sink.writeUtf8(requestMethod).writeByte('\n'.code)
        sink.writeDecimalLong(varyHeaders.size.toLong()).writeByte('\n'.code)
        for (i in 0 until varyHeaders.size) {
          sink
            .writeUtf8(varyHeaders.name(i))
            .writeUtf8(": ")
            .writeUtf8(varyHeaders.value(i))
            .writeByte('\n'.code)
        }

			write(v.Raw, v.Alias)
		}
	case []clause.Column:
		writer.WriteByte('(')
		for idx, d := range v {
			if idx > 0 {
				writer.WriteByte(',')
			}
			stmt.QuoteTo(writer, d)
		}
		writer.WriteByte(')')
	case clause.Expr:
		v.Build(stmt)
	case string:
		stmt.DB.Dialector.QuoteTo(writer, v)
	case []string:
		writer.WriteByte('(')
		for idx, d := range v {
			if idx > 0 {

    assertThat(Buffer().writeUtf8("Слава Україні!").isProbablyUtf8(16L)).isTrue()
    assertThat(Buffer().writeByte(0x80).isProbablyUtf8(16L)).isTrue()
    assertThat(Buffer().writeByte(0x00).isProbablyUtf8(16L)).isFalse()
    assertThat(Buffer().writeByte(0xc0).isProbablyUtf8(16L)).isFalse()
  }

  @Test fun doesNotConsumeBuffer() {
    val buffer = Buffer()
    buffer.writeUtf8("hello ".repeat(1024))

    val message2 = "hello 2".encodeUtf8()

    DeflaterSink(buffer, Deflater(Deflater.DEFAULT_COMPRESSION, true)).use { sink ->
      sink.write(Buffer().write(message1), message1.size.toLong())
    }
    buffer.writeByte(0x00)
    // Trailing data. We use the Okio segment size to make sure it's still in the input buffer.
    buffer.write(ByteArray(8192))
    inflater.inflate(buffer)
    assertThat(buffer.readByteString()).isEqualTo(message1)

	if len(set) > 0 {
		for idx, assignment := range set {
			if idx > 0 {
				builder.WriteByte(',')
			}
			builder.WriteQuoted(assignment.Column)
			builder.WriteByte('=')
			builder.AddVar(builder, assignment.Value)
		}
	} else {
		builder.WriteQuoted(Column{Name: PrimaryKey})
		builder.WriteByte('=')
		builder.WriteQuoted(Column{Name: PrimaryKey})
	}
}

// MergeClause merge assignments clauses

		r.isFull = true
	}

	return n, err
}

// WriteByte writes one byte into buffer, and returns ErrIsFull if buffer is full.
func (r *RingBuffer) WriteByte(c byte) error {
	r.mu.Lock()
	defer r.mu.Unlock()
	if err := r.err; err != nil {
		if err == io.EOF {
			err = ErrWriteOnClosed
		}
		return err
	}
	err := r.writeByte(c)
	for err == ErrIsFull && r.block {
		r.readCond.Wait()

      with(sink) {
        writeInt(totalRuleBytes)
        for (domain in sortedRules) {
          write(domain).writeByte(NEWLINE)
        }
        writeInt(totalExceptionRuleBytes)
        for (domain in sortedExceptionRules) {
          write(domain).writeByte(NEWLINE)
        }
      }
    }
  }

  private suspend fun writeOutputFile(importResults: ImportResults) =

			if err != nil {
				t.Fatalf("write failed: %v", err)
			}
			wroteBytes += n
			wrote.Write(buf[:n])
			debugln("WRITE 2\t", writeRng.Intn(len(buf)), wroteBytes)

			// WriteByte
			err = rb.WriteByte(buf[0])
			if err != nil {
				t.Fatalf("write failed: %v", err)
			}
			wroteBytes++
			wrote.Write(buf[:1])
			debugln("WRITE 3\t", 1, wroteBytes)

			// TryWrite