code: function() {
  
          var _this = this;
          return QFS.exists(this.getPath())
              .then(function(exists) {
                  if (!exists) return Q.reject(UTIL.format('make error: Path %j doesn\'t exist', _this.getPath()));
              });
  
      }
docs: make() implementation.
  
  @return {Promise * Undefined}