private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.translate.v3.DetectedLanguage,
            com.google.cloud.translate.v3.DetectedLanguage.Builder,
            com.google.cloud.translate.v3.DetectedLanguageOrBuilder>
        getLanguagesFieldBuilder() {
      if (languagesBuilder_ == null) {
        languagesBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.translate.v3.DetectedLanguage,
                com.google.cloud.translate.v3.DetectedLanguage.Builder,
                com.google.cloud.translate.v3.DetectedLanguageOrBuilder>(
                languages_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
        languages_ = null;
      }
      return languagesBuilder_;
    }
<pre>
The most probable language detected by the Translation API. For each
request, the Translation API will always return only one result.
</pre>

<code>repeated .google.cloud.translation.v3.DetectedLanguage languages = 1;</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageResponse.java