public com.google.cloud.tpu.v2.AccessConfig getAccessConfig() {
      if (accessConfigBuilder_ == null) {
        return accessConfig_ == null
            ? com.google.cloud.tpu.v2.AccessConfig.getDefaultInstance()
            : accessConfig_;
      } else {
        return accessConfigBuilder_.getMessage();
      }
    }
<pre>
The access config for the TPU worker.
</pre>

<code>.google.cloud.tpu.v2.AccessConfig access_config = 5;</code>

@return The accessConfig.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/NetworkEndpoint.java