public Builder addAllLanguages(
        java.lang.Iterable<? extends com.google.cloud.translate.v3beta1.DetectedLanguage> values) {
      if (languagesBuilder_ == null) {
        ensureLanguagesIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, languages_);
        onChanged();
      } else {
        languagesBuilder_.addAllMessages(values);
      }
      return this;
    }
<pre>
A list of detected languages sorted by detection confidence in descending
order. The most probable language first.
</pre>

<code>repeated .google.cloud.translation.v3beta1.DetectedLanguage languages = 1;</code>
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DetectLanguageResponse.java