docs: function namespace(object, key) {
      var privates = Object.create(object),
          valueOf = object.valueOf
      
      Object.defineProperty(object, "valueOf", {
          value: function(value) {
              return value !== key ? valueOf.apply(this, arguments) : privates
          },
          writable: true,
          configurable: true
      })
      
      return privates
  }