UFile (package = )
    UClass (name = SimpleScript)
        UMethod (name = getBarOrNull)
            UParameter (name = flag)
                UAnnotation (fqName = org.jetbrains.annotations.NotNull)
            UBlockExpression
                UReturnExpression
                    UIfExpression
                        USimpleNameReferenceExpression (identifier = flag)
                        UCallExpression (kind = UastCallKind(name='constructor_call'), argCount = 1))
                            UIdentifier (Identifier (Bar))
                            USimpleNameReferenceExpression (identifier = <init>, resolvesTo = Bar)
                            ULiteralExpression (value = 42)
                        ULiteralExpression (value = null)
        UMethod (name = main)
            UParameter (name = p)
                UAnnotation (fqName = null)
        UMethod (name = SimpleScript)
            UParameter (name = p)
                UAnnotation (fqName = null)
            UBlockExpression
                UCallExpression (kind = UastCallKind(name='method_call'), argCount = 1))
                    UIdentifier (Identifier (println))
                    USimpleNameReferenceExpression (identifier = println, resolvesTo = null)
                    ULiteralExpression (value = "Hello World!")
                UCallExpression (kind = UastCallKind(name='method_call'), argCount = 1))
                    UIdentifier (Identifier (getBarOrNull))
                    USimpleNameReferenceExpression (identifier = getBarOrNull, resolvesTo = null)
                    ULiteralExpression (value = true)
                UCallExpression (kind = UastCallKind(name='method_call'), argCount = 1))
                    UIdentifier (Identifier (println))
                    USimpleNameReferenceExpression (identifier = println, resolvesTo = null)
                    ULiteralExpression (value = "Goodbye World!")
        UClass (name = Bar)
            UField (name = b)
                UAnnotation (fqName = org.jetbrains.annotations.NotNull)
                ULiteralExpression (value = 0)
            UField (name = a)
                UAnnotation (fqName = org.jetbrains.annotations.NotNull)
            UMethod (name = getB)
            UMethod (name = getAPlusB)
                UBlockExpression
                    UReturnExpression
                        UBinaryExpression (operator = +)
                            USimpleNameReferenceExpression (identifier = a)
                            USimpleNameReferenceExpression (identifier = b)
            UMethod (name = getA)
            UMethod (name = Bar)
                UParameter (name = a)
                    UAnnotation (fqName = org.jetbrains.annotations.NotNull)
            UClass (name = Baz)
                UMethod (name = doSomething)
                    UBlockExpression
                UMethod (name = Baz)