@java.lang.Override
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other
            instanceof
            com.google.cloud.translate.v3.AdaptiveMtTranslateRequest.ReferenceSentencePair) {
          return mergeFrom(
              (com.google.cloud.translate.v3.AdaptiveMtTranslateRequest.ReferenceSentencePair)
                  other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }
<pre>
A pair of sentences used as reference in source and target languages.
</pre>

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