UFile (package = ) [public final class ParametersWithDefaultValuesKt {...]
    UClass (name = ParametersWithDefaultValuesKt) [public final class ParametersWithDefaultValuesKt {...}]
        UMethod (name = foo) [public static final fun foo(@org.jetbrains.annotations.NotNull a: int, @org.jetbrains.annotations.NotNull b: java.lang.String, @org.jetbrains.annotations.NotNull c: int, @org.jetbrains.annotations.NotNull flag: boolean) : void {...}]
            UParameter (name = a) [@org.jetbrains.annotations.NotNull var a: int]
                UAnnotation (fqName = org.jetbrains.annotations.NotNull) [@org.jetbrains.annotations.NotNull]
            UParameter (name = b) [@org.jetbrains.annotations.NotNull var b: java.lang.String]
                UAnnotation (fqName = org.jetbrains.annotations.NotNull) [@org.jetbrains.annotations.NotNull]
            UParameter (name = c) [@org.jetbrains.annotations.NotNull var c: int = 0]
                UAnnotation (fqName = org.jetbrains.annotations.NotNull) [@org.jetbrains.annotations.NotNull]
                ULiteralExpression (value = 0) [0] : PsiType:int
            UParameter (name = flag) [@org.jetbrains.annotations.NotNull var flag: boolean = false]
                UAnnotation (fqName = org.jetbrains.annotations.NotNull) [@org.jetbrains.annotations.NotNull]
                ULiteralExpression (value = false) [false] : PsiType:boolean
            UBlockExpression [{...}] : PsiType:void
