public final void writeAnnotation(AnnotatedOutput out) {
    if (dataMap.size() == 0) {
      return;
    }

    out.annotate(0, "\nstatistics:\n");

    TreeMap<String, Data> sortedData = new TreeMap<String, Data>();

    for (Data data : dataMap.values()) {
      sortedData.put(data.name, data);
    }

    for (Data data : sortedData.values()) {
      data.writeAnnotation(out);
    }
  }
Writes the statistics as an annotation.

@param out {@code non-null;} where to write to
android/android_framework/dex-maker/src/main/java/com/android/dx/dex/file/Statistics.java