public Builder mergeTermsSet(
        com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSet value) {
      if (termsSetBuilder_ == null) {
        if (dataCase_ == 3
            && data_
                != com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSet
                    .getDefaultInstance()) {
          data_ =
              com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSet.newBuilder(
                      (com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSet) data_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          data_ = value;
        }
        onChanged();
      } else {
        if (dataCase_ == 3) {
          termsSetBuilder_.mergeFrom(value);
        } else {
          termsSetBuilder_.setMessage(value);
        }
      }
      dataCase_ = 3;
      return this;
    }
<pre>
Used for an equivalent term sets glossary.
</pre>

<code>.google.cloud.translation.v3.GlossaryEntry.GlossaryTermsSet terms_set = 3;</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/GlossaryEntry.java