Short-key checking if argument 1 is not NULL, output the argument 2 if not
null, or output argument 3 otherwise.
Check if condition is not NULL, if so output outputIfNotNull,
otherwise, output outputIfNull.
Short-key checking if argument 1 is not NULL, output the argument 2 if not
null, or output argument 3 otherwise.
Check if condition is not NULL, if so output outputIfNotNull,
otherwise, output outputIfNull.