@java.lang.Override
    public boolean hasFileInputSource() {
      return sourceCase_ == 2;
    }
<pre>
Inline file source.
</pre>

<code>.google.cloud.translation.v3.FileInputSource file_input_source = 2;</code>

@return Whether the fileInputSource field is set.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/ImportAdaptiveMtFileRequest.java