public Builder mergeNsx(com.google.cloud.vmwareengine.v1.Nsx value) {
      if (nsxBuilder_ == null) {
        if (((bitField0_ & 0x00000400) != 0)
            && nsx_ != null
            && nsx_ != com.google.cloud.vmwareengine.v1.Nsx.getDefaultInstance()) {
          getNsxBuilder().mergeFrom(value);
        } else {
          nsx_ = value;
        }
      } else {
        nsxBuilder_.mergeFrom(value);
      }
      if (nsx_ != null) {
        bitField0_ |= 0x00000400;
        onChanged();
      }
      return this;
    }
<pre>
Output only. NSX appliance.
</pre>

<code>
.google.cloud.vmwareengine.v1.Nsx nsx = 18 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/PrivateCloud.java