public static com.google.cloud.translate.v3beta1.DocumentTranslation parseFrom(
      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }
<pre>
The detected language for the input document.
If the user did not provide the source language for the input document,
this field will have the language code automatically detected. If the
source language was passed, auto-detection of the language does not occur
and this field is empty.
</pre>

<code>string detected_language_code = 3;</code>

@return The bytes for detectedLanguageCode.
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DocumentTranslation.java