Function IsReadableByteStreamController

out/cli.cjs:11356–11364

(x5)

        });
      }
      function IsReadableByteStreamController(x5) {
        if (!typeIsObject(x5)) {
          return false;
        }
        if (!Object.prototype.hasOwnProperty.call(x5, "_controlledReadableByteStream")) {
          return false;
        }
        return x5 instanceof ReadableByteStreamController2;
      }
      function IsReadableStreamBYOBRequest(x5) {
        if (!typeIsObject(x5)) {
          return false;