@java.lang.Override
  public com.google.protobuf.ByteString getLanguageCodeBytes() {
    java.lang.Object ref = languageCode_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      languageCode_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
The language of the posting. This field is distinct from
any requirements for fluency that are associated with the job.

Language codes must be in BCP-47 format, such as "en-US" or "sr-Latn".
For more information, see
[Tags for Identifying Languages](https://tools.ietf.org/html/bcp47){:
class="external" target="_blank" }.

If this field is unspecified and
[Job.description][google.cloud.talent.v4beta1.Job.description] is present,
detected language code based on
[Job.description][google.cloud.talent.v4beta1.Job.description] is assigned,
otherwise defaults to 'en_US'.
</pre>

<code>string language_code = 15;</code>

@return The bytes for languageCode.
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/Job.java