protected boolean isProvisionerUuidInUse(@NonNull final String uuid) {
        for (Provisioner provisioner : provisioners) {
            if (provisioner.getProvisionerUuid().equalsIgnoreCase(uuid)) {
                return true;
            }
        }
        return false;
    }
Returns the selected provisioner in the network
mesh/src/main/java/no/nordicsemi/android/mesh/BaseMeshNetwork.java