public Builder mergeFileInputSource(com.google.cloud.translate.v3.FileInputSource value) {
      if (fileInputSourceBuilder_ == null) {
        if (sourceCase_ == 2
            && source_ != com.google.cloud.translate.v3.FileInputSource.getDefaultInstance()) {
          source_ =
              com.google.cloud.translate.v3.FileInputSource.newBuilder(
                      (com.google.cloud.translate.v3.FileInputSource) source_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          source_ = value;
        }
        onChanged();
      } else {
        if (sourceCase_ == 2) {
          fileInputSourceBuilder_.mergeFrom(value);
        } else {
          fileInputSourceBuilder_.setMessage(value);
        }
      }
      sourceCase_ = 2;
      return this;
    }
<pre>
Inline file source.
</pre>

<code>.google.cloud.translation.v3.FileInputSource file_input_source = 2;</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/ImportAdaptiveMtFileRequest.java