Function IsReadableStream

out/cli.cjs:14118–14126

(x5)

        stream4._disturbed = false;
      }
      function IsReadableStream(x5) {
        if (!typeIsObject(x5)) {
          return false;
        }
        if (!Object.prototype.hasOwnProperty.call(x5, "_readableStreamController")) {
          return false;
        }
        return x5 instanceof ReadableStream7;
      }
      function IsReadableStreamLocked(stream4) {
        if (stream4._reader === void 0) {
          return false;