@java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (getTimeEventCount() > 0) {
        hash = (37 * hash) + TIME_EVENT_FIELD_NUMBER;
        hash = (53 * hash) + getTimeEventList().hashCode();
      }
      hash = (37 * hash) + DROPPED_ANNOTATIONS_COUNT_FIELD_NUMBER;
      hash = (53 * hash) + getDroppedAnnotationsCount();
      hash = (37 * hash) + DROPPED_MESSAGE_EVENTS_COUNT_FIELD_NUMBER;
      hash = (53 * hash) + getDroppedMessageEventsCount();
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<pre>
The number of dropped message events in all the included time events.
If the value is 0, then no message events were dropped.
</pre>

<code>int32 dropped_message_events_count = 3;</code>

@return The droppedMessageEventsCount.
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/Span.java