@Override
    public void executeSend() {
        final byte[] provisionerRandomConfirmationPDU = createProvisionerRandomPDU();
        mStatusCallbacks.onProvisioningStateChanged(node, States.PROVISIONING_CONFIRMATION_SENT, provisionerRandomConfirmationPDU);
        mInternalTransportCallbacks.sendProvisioningPdu(node, provisionerRandomConfirmationPDU);
    }
Constructs the provisioning random confirmation state.

@param node                          {@link UnprovisionedMeshNode} node.
@param internalTransportCallbacks    {@link InternalTransportCallbacks} callbacks.
@param provisioningStatusCallbacks   {@link MeshProvisioningStatusCallbacks} callbacks.
@param internalProvisioningCallbacks {@link InternalProvisioningCallbacks} callbacks.
mesh/src/main/java/no/nordicsemi/android/mesh/provisionerstates/ProvisioningRandomConfirmationState.java