public Builder mergeFrom(com.google.cloud.translate.v3.Glossary.LanguageCodesSet other) {
        if (other == com.google.cloud.translate.v3.Glossary.LanguageCodesSet.getDefaultInstance())
          return this;
        if (!other.languageCodes_.isEmpty()) {
          if (languageCodes_.isEmpty()) {
            languageCodes_ = other.languageCodes_;
            bitField0_ |= 0x00000001;
          } else {
            ensureLanguageCodesIsMutable();
            languageCodes_.addAll(other.languageCodes_);
          }
          onChanged();
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
Used with equivalent term set glossaries.
</pre>

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