How to make block optional if the value for the below block not provided? const BackupType=new TerraformVariable(this,"BackupType",{ description:"(Require
sms-verification
go-work
statistical-test
reparsepoint
scalapack
ibm-data-replication
ubuntu-21.04
imagemap
abap-adt
visitor-statistic
genericdao
sc
nfv
android-bottom-nav-view
pandas-styles
genetic
shorewall
variable-selection
openlayers
google-app-engine
transformable
resolution
sourcegraph
pypubsub
cold-start
reprex
http2
3d-modelling
mssql-tools
stripping
