new ManyToOne( mappings, tbl ).accept(vv);
    new Map( mappings, rootClass ).accept(vv);
    new OneToMany( mappings, rootClass ).accept(vv);
    new OneToOne( mappings, tbl, rootClass ).accept(vv);
    new PrimitiveArray( mappings, rootClass ).accept(vv);
    new Set( mappings, rootClass ).accept(vv);
    new SimpleValue( mappings ).accept(vv);
  
    
  }