public virtual void Exit(Literal/*!*/ node) { }
public virtual bool Enter(Literal/*!*/ node) { return true; }
public object Deserialize(Literal literal) { return literal.Value; }
internal protected virtual void Walk(Literal /*!*/ node) { Enter(node); Exit(node); }
public virtual void Exit(Literal /*!*/ node) { }
public virtual bool Enter(Literal /*!*/ node) { return(true); }