private void notifyFirst64(T sender, int arg, A arg2) {
        final int maxNotified = Math.min(Long.SIZE, mCallbacks.size());
        notifyCallbacks(sender, arg, arg2, 0, maxNotified, mFirst64Removed);
    }
Notify up to the first Long.SIZE callbacks that don't have a bit set in <code>removed</code>.

@param sender The originator. This is an opaque parameter passed to
              {@link CallbackRegistry.NotifierCallback#onNotifyCallback(Object, Object, int, Object)}
@param arg    An opaque parameter passed to
              {@link CallbackRegistry.NotifierCallback#onNotifyCallback(Object, Object, int, Object)}
@param arg2   An opaque parameter passed to
              {@link CallbackRegistry.NotifierCallback#onNotifyCallback(Object, Object, int, Object)}
android/android_framework/base/src/main/java/github/tornaco/android/thanos/core/util/obs/CallbackRegistry.java