private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.translate.v3.TransliterationConfig,
            com.google.cloud.translate.v3.TransliterationConfig.Builder,
            com.google.cloud.translate.v3.TransliterationConfigOrBuilder>
        getTransliterationConfigFieldBuilder() {
      if (transliterationConfigBuilder_ == null) {
        transliterationConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.translate.v3.TransliterationConfig,
                com.google.cloud.translate.v3.TransliterationConfig.Builder,
                com.google.cloud.translate.v3.TransliterationConfigOrBuilder>(
                getTransliterationConfig(), getParentForChildren(), isClean());
        transliterationConfig_ = null;
      }
      return transliterationConfigBuilder_;
    }
<pre>
Optional. Transliteration to be applied.
</pre>

<code>
.google.cloud.translation.v3.TransliterationConfig transliteration_config = 13 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/TranslateTextRequest.java