A -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
B -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
C -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
Foo -> UClass (name = Foo)
Bar -> UClass (name = Bar)
getFoo -> UMethod (name = getFoo)
Foo -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
    A -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
    B -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
    C -> [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
    Foo -> [!] UnknownKotlinExpression (CALL_EXPRESSION)
