code: function checkArrayTypes() {
      var args = [];
      for (var _i = 0; _i < arguments.length; _i++) {
          args[_i] = arguments[_i];
      }
      var t, i;
      for (i = 0; i < arguments.length; i++) {
          if ((t = Object.prototype.toString.call(arguments[i])) !== '[object Uint8Array]')
              throw new TypeError('unexpected type ' + t + ', use Uint8Array');
      }
  }
docs: /* High-level API