public VcfRecord addInfo(String key,String... values){
  ArrayList<String> val=mInfo.get(key);
  if (val == null) {
    val=new ArrayList<>();
    mInfo.put(key,val);
  }
  if (values != null) {
    Collections.addAll(val,values);
  }
  return this;
}

public VcfRecord addInfo ( String key , String ... values ) { ArrayList < String > val = mInfo . get ( key ) ; if ( val == null ) { val = new ArrayList < > ( ) ; mInfo . put ( key , val ) ; } if ( values != null ) { Collections . addAll ( val , values ) ; } return this ; }
adds an info field
