@CheckForNull
  private static Method getSizeMethod(Object jla) {
    try {
      Method getStackTraceDepth = getJlaMethod("getStackTraceDepth", Throwable.class);
      if (getStackTraceDepth == null) {
        return null;
      }
      getStackTraceDepth.invoke(jla, new Throwable());
      return getStackTraceDepth;
    } catch (UnsupportedOperationException | IllegalAccessException | InvocationTargetException e) {

-dontnote sun.misc.SharedSecrets
-keep class sun.misc.SharedSecrets {
  *** getJavaLangAccess(...);
}
-dontnote sun.misc.JavaLangAccess
-keep class sun.misc.JavaLangAccess {
  *** getStackTraceElement(...);
  *** getStackTraceDepth(...);
}

# FinalizableReferenceQueue calls this reflectively
# Proguard is intelligent enough to spot the use of reflection onto this, so we
# only need to keep the names, and allow it to be stripped out if