public SourceCase getSourceCase() {
      return SourceCase.forNumber(sourceCase_);
    }
<pre>
The request message for language detection.
</pre>

Protobuf type {@code google.cloud.translation.v3.DetectLanguageRequest}
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageRequest.java