@Override protected FieldConfigBase createCopy(FieldConfigBase fieldConfigBase){
  FieldConfigBoolean copy=null;
  if (fieldConfigBase != null) {
    copy=new FieldConfigBoolean(fieldConfigBase.getCommonData());
  }
  return copy;
}

@ Override protected FieldConfigBase createCopy ( FieldConfigBase fieldConfigBase ) { FieldConfigBoolean copy = null ; if ( fieldConfigBase != null ) { copy = new FieldConfigBoolean ( fieldConfigBase . getCommonData ( ) ) ; } return copy ; }
creates a copy of the field .
