public VarBindingBuilder start( VarBinding binding)
    {
    varBinding_ =
      binding == null
      ? new VarBinding( "V", IVarDef.ARG, "?")
      : binding;
    
    return this;
    }
public VarBindingBuilder start ( VarBinding binding ) { varBinding_ = binding == null ? new VarBinding ( "V" , IVarDef . ARG , "?" ) : binding ; return this ; }
Starts building a new binding.