public Builder clearAccessConfig() {
      bitField0_ = (bitField0_ & ~0x00000004);
      accessConfig_ = null;
      if (accessConfigBuilder_ != null) {
        accessConfigBuilder_.dispose();
        accessConfigBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
The access config for the TPU worker.
</pre>

<code>.google.cloud.tpu.v2alpha1.AccessConfig access_config = 5;</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/NetworkEndpoint.java