guava/src/com/google/common/base/FinalizableReferenceQueue.java
static Method getStartFinalizer(Class<?> finalizer) {
    try {
      return finalizer.getMethod(
          "startFinalizer", Class.class, ReferenceQueue.class, PhantomReference.class);
    } catch (NoSuchMethodException e) {
      throw new AssertionError(e);
    }
  }
static Method getStartFinalizer(Class<?> finalizer) {
    try {
      return finalizer.getMethod(
          "startFinalizer", Class.class, ReferenceQueue.class, PhantomReference.class);
    } catch (NoSuchMethodException e) {
      throw new AssertionError(e);
    }
  }
Looks up Finalizer.startFinalizer().