private void sendProvisioningData() {
        final byte[] provisioningDataPDU = createProvisioningDataPDU();
        mStatusCallbacks.onProvisioningStateChanged(mUnprovisionedMeshNode, States.PROVISIONING_DATA_SENT, provisioningDataPDU);
        mInternalTransportCallbacks.sendProvisioningPdu(mUnprovisionedMeshNode, provisioningDataPDU);
    }
Constructs the provisioning data state.

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