public boolean hasAccessConfig() {
      return ((bitField0_ & 0x00000004) != 0);
    }
<pre>
The access config for the TPU worker.
</pre>

<code>.google.cloud.tpu.v2alpha1.AccessConfig access_config = 5;</code>

@return Whether the accessConfig field is set.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/NetworkEndpoint.java