@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      if (gcsSourceBuilder_ != null) {
        gcsSourceBuilder_.clear();
      }
      sourceCase_ = 0;
      source_ = null;
      return this;
    }
<pre>
Input configuration for BatchTranslateDocument request.
</pre>

Protobuf type {@code google.cloud.translation.v3beta1.BatchDocumentInputConfig}
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/BatchDocumentInputConfig.java