public void clear(){
  setType(-1);
  setTargetIsolate(Isolate.DEFAULT_ID);
  m_debugFormatted.setLength(0);
  m_debugFormattedThroughIndex=0;
  reset();
}

public void clear ( ) { setType ( - 1 ) ; setTargetIsolate ( Isolate . DEFAULT_ID ) ; m_debugFormatted . setLength ( 0 ) ; m_debugFormattedThroughIndex = 0 ; reset ( ) ; }
allow the message to be reused later
