static private void addTimestampFormat(StringBuilder sb,boolean avoidColons){
  if (avoidColons)   sb.append(",'YYYY-MM-DD\"T\"HH24.MI.SS.FF\"Z\"')");
 else   sb.append(",'YYYY-MM-DD\"T\"HH24:MI:SS.FF\"Z\"')");
}

static private void addTimestampFormat ( StringBuilder sb , boolean avoidColons ) { if ( avoidColons ) sb . append ( ",'YYYY-MM-DD\"T\"HH24.MI.SS.FF\"Z\"')" ) ; else sb . append ( ",'YYYY-MM-DD\"T\"HH24:MI:SS.FF\"Z\"')" ) ; }
use for specifying timestamp format , with colon workaround if required
