public Builder mergePostingPublishTime(com.google.protobuf.Timestamp value) {
      if (postingPublishTimeBuilder_ == null) {
        if (((bitField0_ & 0x00800000) != 0)
            && postingPublishTime_ != null
            && postingPublishTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
          getPostingPublishTimeBuilder().mergeFrom(value);
        } else {
          postingPublishTime_ = value;
        }
      } else {
        postingPublishTimeBuilder_.mergeFrom(value);
      }
      if (postingPublishTime_ != null) {
        bitField0_ |= 0x00800000;
        onChanged();
      }
      return this;
    }
<pre>
The timestamp this job posting was most recently published. The default
value is the time the request arrives at the server. Invalid timestamps are
ignored.
</pre>

<code>.google.protobuf.Timestamp posting_publish_time = 24;</code>
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/Job.java