How to make block optional if the value for the below block not provided? const BackupType=new TerraformVariable(this,"BackupType",{ description:"(Require
azure-advisor
coupa
catiledlayer
xcuielementtypequeryprovider
coq-extraction
diskimage
spread-expression
jest-preset-angular
stm32f4discovery
react-native-sensors
hana-sql-script
wp-rewrite
google-groups
compileoptions
coreldraw
extjs7
ue5
gluon-mobile
frameworks
hammerdb
mtkview
amazon-chime
cbc-mode
gdcm
mysql-5.1
jt400
webserver
narayana
ctype
spring-config
