Foo -> UClass (name = Foo)
Bar -> UClass (name = Bar)
a -> UParameter (name = a)
Int -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
b -> UParameter (name = b)
Int -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
getAPlusB -> UMethod (name = getAPlusB)
a -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
+ -> [!] UnknownKotlinExpression (OPERATION_REFERENCE)
b -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
Baz -> UClass (name = Baz)
doNothing -> UMethod (name = doNothing)
Unit -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
