*  @param site   The type of the selected expression,
         *  @param env    The current environment.
         *  @param pt     The current prototype.
         *  @param pkind  The expected kind(s) of the Select expression.
         */
        private Symbol selectSym(JCFieldAccess tree,
                                     Type site,
                                     Env<AttrContext> env,
                                     Type pt,
                                     int pkind) {
            return selectSym(tree, site.tsym, site, env, pt, pkind);
        }