@StubMethod
  public static ClassMirror getCallerClassMirror(int depth) {
    // Filter out any non-holographic frames
    int nativeDepth = 1;
    Class<?> klass = sun.reflect.Reflection.getCallerClass(nativeDepth);
    while (klass != null) {
      ClassLoader loader = klass.getClassLoader();
      if (loader instanceof HologramClassLoader) {
        if (depth == 0) {
          HologramClassLoader hologramClassLoader = (HologramClassLoader) klass.getClassLoader();
          String className = HologramClassGenerator.getOriginalBinaryClassName(klass.getName());
          return hologramClassLoader.loadOriginalClassMirror(className);
        }
        depth--;
      }
      nativeDepth++;
      klass = sun.reflect.Reflection.getCallerClass(nativeDepth);
    }

    // Off the top of the holographic stack, so refer to the original stack.
    ThreadMirror currentThread = ThreadHolograph.currentThreadMirror();
    List<FrameMirror> stack = currentThread.getStackTrace();
    int frameIndex = stack.size() - 1 - depth;
    if (frameIndex < 0) {
      return null;
    }
    FrameMirror frame = stack.get(frameIndex);
    return frame.declaringClass();
  }
  @StubMethod
  public ObjectArrayMirror getStackTrace(ThreadMirror thread) {
    VirtualMachineMirror vm = getVM();

    List<FrameMirror> trace = thread.getStackTrace();
    int size = trace.size();
    ClassMirror stackTraceElementClass =
        vm.findBootstrapClassMirror(StackTraceElement.class.getName());
    ObjectArrayMirror result = (ObjectArrayMirror) stackTraceElementClass.newArray(size);
    for (int i = 0; i < size; i++) {
      result.set(i, HolographInternalUtils.stackTraceElementForFrameMirror(vm, trace.get(i)));
    }
    return result;
  }
 @StubMethod
 public boolean isAlive(ThreadMirror thread) {
   // TODO-RS: This may need more precision in the API
   return !thread.getStackTrace().isEmpty();
 }