@Override public void writeStartDocument() throws XMLStreamException {
  log.fine("writeStartDocument()");
  writeStartDocument(this.encoding,null);
}

@ Override public void writeStartDocument ( ) throws XMLStreamException { log . fine ( "writeStartDocument()" ) ; writeStartDocument ( this . encoding , null ) ; }
write the xml declaration . defaults the wbxml version to 1 . 3 , and the encoding to utf - 8
