UFile (package = ) [import java.util.stream.Stream...]
    UImportStatement (isOnDemand = false) [import java.util.stream.Stream]
    UClass (name = LambdasKt) [public final class LambdasKt {...}]
        UMethod (name = foo) [public static final fun foo() : void {...}]
            UBlockExpression [{...}] : PsiType:NonExistentClass
                UQualifiedReferenceExpression [Stream.[!] UnknownKotlinExpression (CALL_EXPRESSION).[!] UnknownKotlinExpression (CALL_EXPRESSION)] : PsiType:NonExistentClass
                    UQualifiedReferenceExpression [Stream.[!] UnknownKotlinExpression (CALL_EXPRESSION)] : PsiType:Stream<String>
                        USimpleNameReferenceExpression (identifier = Stream) [Stream] : PsiType:Unit
                        [!] UnknownKotlinExpression (CALL_EXPRESSION) [[!] UnknownKotlinExpression (CALL_EXPRESSION)]
                    [!] UnknownKotlinExpression (CALL_EXPRESSION) [[!] UnknownKotlinExpression (CALL_EXPRESSION)]
        UMethod (name = doSelectItem) [public static final fun doSelectItem(selectItemFunction: kotlin.jvm.functions.Function0<? extends kotlin.Unit>) : void {...}]
            UParameter (name = selectItemFunction) [var selectItemFunction: kotlin.jvm.functions.Function0<? extends kotlin.Unit>]
            UBlockExpression [{...}] : PsiType:NonExistentClass
                [!] UnknownKotlinExpression (CALL_EXPRESSION) [[!] UnknownKotlinExpression (CALL_EXPRESSION)]
                [!] UnknownKotlinExpression (PROPERTY) [[!] UnknownKotlinExpression (PROPERTY)]
                [!] UnknownKotlinExpression (CALL_EXPRESSION) [[!] UnknownKotlinExpression (CALL_EXPRESSION)]
        UMethod (name = lambdaInPlaceCall) [public static final fun lambdaInPlaceCall() : void {...}]
            UBlockExpression [{...}] : PsiType:Unit
                UWhileExpression [while ([!] UnknownKotlinExpression (CALL_EXPRESSION)) {...}]
                    [!] UnknownKotlinExpression (CALL_EXPRESSION) [[!] UnknownKotlinExpression (CALL_EXPRESSION)]
                    UBlockExpression [{...}] : PsiType:Unit
