@java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }
<pre>
Required. The language code to translate to.
</pre>

<code>string target_language = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@param value The bytes for targetLanguage to set.
@return This builder for chaining.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/TranslationConfig.java