public Builder clearPts() {
      bitField0_ = (bitField0_ & ~0x00000020);
      pts_ = 0L;
      onChanged();
      return this;
    }
<pre>
The presentation timestamp of the frame.
</pre>

<code>optional int64 pts = 6;</code>

@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/OccupancyCountingPredictionResult.java