class MutableSpan implements Cloneable {

  public Collection<Map.Entry<Long, String>> annotations() {
    return UnsafeArrayMap.<Long, String>newBuilder().build(annotations).entrySet();
  }

  public  MutableSpan();
  public  MutableSpan(TraceContext context, @Nullable MutableSpan defaults);
  public  MutableSpan(MutableSpan toCopy);

}