private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSet,
            com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSet.Builder,
            com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSetOrBuilder>
        getTermsSetFieldBuilder() {
      if (termsSetBuilder_ == null) {
        if (!(dataCase_ == 3)) {
          data_ = com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSet.getDefaultInstance();
        }
        termsSetBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSet,
                com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSet.Builder,
                com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSetOrBuilder>(
                (com.google.cloud.translate.v3.GlossaryEntry.GlossaryTermsSet) data_,
                getParentForChildren(),
                isClean());
        data_ = null;
      }
      dataCase_ = 3;
      onChanged();
      return termsSetBuilder_;
    }
<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