public SelectClause addStreamWildcard(String streamName){
  selectList.add(new SelectClauseStreamWildcard(streamName,null));
  return this;
}

public SelectClause addStreamWildcard ( String streamName ) { selectList . add ( new SelectClauseStreamWildcard ( streamName , null ) ) ; return this ; }
adds to the select - clause a stream wildcard selector ( e . g . select streamname . * from mystream as streamname )
