public static com.google.cloud.translate.v3.Romanization parseDelimitedFrom(
      java.io.InputStream input) throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
  }
<pre>
The ISO-639 language code of source text in the initial request, detected
automatically, if no source language was passed within the initial
request. 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 = 2;</code>

@return The bytes for detectedLanguageCode.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/Romanization.java