@java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        if (referenceSentencePairsBuilder_ == null) {
          referenceSentencePairs_ = java.util.Collections.emptyList();
        } else {
          referenceSentencePairs_ = null;
          referenceSentencePairsBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000001);
        return this;
      }
<pre>
A list of reference sentence pairs.
</pre>

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