}

    /**
     * Writes an XML node to a writer.
     */
    public static void write(XmlNode node, Writer writer) throws IOException {
        getService().doWrite(node, writer);
    }

    /**
     * Interface for building input locations during XML parsing.
     */
    public interface InputLocationBuilder {
        Object toInputLocation(XMLStreamReader parser);

      source.skip(byteCount)
      return
    }

    val toWrite = minOf(byteCount, triggerByteCount - bytesWritten)
    bytesWritten += toWrite

    delegate.write(source, toWrite)

    if (bytesWritten == triggerByteCount) {
      trigger()
    }

    source.skip(byteCount - toWrite)
  }

        flush()
        socket.sleepWhileOpen(periodDelayNanos)
        bytesWrittenSinceLastDelay = 0
      }

      val toWrite = minOf(bytesLeft, bytesPerPeriod - bytesWrittenSinceLastDelay)
      bytesWrittenSinceLastDelay += toWrite
      bytesLeft -= toWrite
      delegate.write(source, toWrite)
    }
  }