public Builder mergeAccessConfig(com.google.cloud.tpu.v2alpha1.AccessConfig value) {
      if (accessConfigBuilder_ == null) {
        if (((bitField0_ & 0x00000004) != 0)
            && accessConfig_ != null
            && accessConfig_ != com.google.cloud.tpu.v2alpha1.AccessConfig.getDefaultInstance()) {
          getAccessConfigBuilder().mergeFrom(value);
        } else {
          accessConfig_ = value;
        }
      } else {
        accessConfigBuilder_.mergeFrom(value);
      }
      if (accessConfig_ != null) {
        bitField0_ |= 0x00000004;
        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