public Builder mergeLastUpdateTime(com.google.protobuf.Timestamp value) {
      if (lastUpdateTimeBuilder_ == null) {
        if (((bitField0_ & 0x00000004) != 0)
            && lastUpdateTime_ != null
            && lastUpdateTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
          getLastUpdateTimeBuilder().mergeFrom(value);
        } else {
          lastUpdateTime_ = value;
        }
      } else {
        lastUpdateTimeBuilder_.mergeFrom(value);
      }
      if (lastUpdateTime_ != null) {
        bitField0_ |= 0x00000004;
        onChanged();
      }
      return this;
    }
<pre>
Time of the most recent processing update.
</pre>

<code>.google.protobuf.Timestamp last_update_time = 3;</code>
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/LongRunningRecognizeMetadata.java