@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      for (int i = 0; i < link_.size(); i++) {
        output.writeMessage(1, link_.get(i));
      }
      if (droppedLinksCount_ != 0) {
        output.writeInt32(2, droppedLinksCount_);
      }
      getUnknownFields().writeTo(output);
    }
<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