public com.google.protobuf.Timestamp getStartTime() {
      if (startTimeBuilder_ == null) {
        return startTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : startTime_;
      } else {
        return startTimeBuilder_.getMessage();
      }
    }
<pre>
Output only. Time when the request was received.
</pre>

<code>.google.protobuf.Timestamp start_time = 3;</code>

@return The startTime.
java-video-intelligence/proto-google-cloud-video-intelligence-v1p1beta1/src/main/java/com/google/cloud/videointelligence/v1p1beta1/VideoAnnotationProgress.java