@java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      for (int i = 0; i < frame_.size(); i++) {
        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, frame_.get(i));
      }
      if (droppedFramesCount_ != 0) {
        size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, droppedFramesCount_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }
<pre>
The number of stack frames that were dropped because there
were too many stack frames.
If this value is 0, then no stack frames were dropped.
</pre>

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

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