@java.lang.Override
  public java.lang.String getLanguageCode() {
    java.lang.Object ref = languageCode_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      languageCode_ = s;
      return s;
    }
  }
<pre>
The BCP-47 language code of source content in the request, detected
automatically.
</pre>

<code>string language_code = 1;</code>

@return The languageCode.
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DetectedLanguage.java