@java.lang.Override
  public com.google.protobuf.ByteString getInternalIpBytes() {
    java.lang.Object ref = internalIp_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      internalIp_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
The internal IP address of a workload VM.
</pre>

<code>string internal_ip = 6;</code>

@return The bytes for internalIp.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/ExternalAddress.java