@Override
    public void onBlockAcknowledgementReceived(final int src, @NonNull final ControlMessage message) {
        final ProvisionedMeshNode node = mMeshNetwork.getNode(src);
        if (node != null) {
            mProvisionedMeshNode = node;
            if (mSetupProvisionedNode) {
                mProvisionedMeshNodeLiveData.postValue(node);
                mProvisioningStateLiveData.onMeshNodeStateUpdated(ProvisionerStates.BLOCK_ACKNOWLEDGEMENT_RECEIVED);
            }
        }
    }
Here we load all nodes except the current provisioner. This may contain other provisioner nodes if available
app/src/main/java/no/nordicsemi/android/nrfmesh/viewmodels/NrfMeshRepository.java