public com.google.protobuf.ByteString getKmsKeyVersionNameBytes() {
      java.lang.Object ref = kmsKeyVersionName_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        kmsKeyVersionName_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
The [KMS key version
name](https://cloud.google.com/kms/docs/resource-hierarchy#key_versions)
with which content of the Operation is encrypted. The expected format is
`projects/{project}/locations/{location}/keyRings/{key_ring}/cryptoKeys/{crypto_key}/cryptoKeyVersions/{crypto_key_version}`.
</pre>

<code>string kms_key_version_name = 7 [(.google.api.resource_reference) = { ... }</code>

@return The bytes for kmsKeyVersionName.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/OperationMetadata.java