@java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (getLinkCount() > 0) {
        hash = (37 * hash) + LINK_FIELD_NUMBER;
        hash = (53 * hash) + getLinkList().hashCode();
      }
      hash = (37 * hash) + DROPPED_LINKS_COUNT_FIELD_NUMBER;
      hash = (53 * hash) + getDroppedLinksCount();
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<pre>
The number of dropped links after the maximum size was enforced. If
this value is 0, then no links were dropped.
</pre>

<code>int32 dropped_links_count = 2;</code>

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