UFile (package = )
    UClass (name = Demo)
        UField (name = foo)
            UAnnotation (fqName = org.jetbrains.annotations.NotNull)
            UQualifiedReferenceExpression
                USimpleNameReferenceExpression (identifier = X)
                UCallExpression (kind = UastCallKind(name='method_call'), argCount = 1))
                    UIdentifier (Identifier (bar))
                    USimpleNameReferenceExpression (identifier = <anonymous class>, resolvesTo = null)
                    ULiteralExpression (value = "lorem")
        UMethod (name = getFoo)
        UMethod (name = Demo)
