FIR: make FunctionType class-like, refactor built-ins resolution

This breaks total kotlin resolve test because of incorrect rendering
of ConeClassErrorType (we are trying to read its symbol)

compiler/fir/psi2fir/testData/rawBuilder/declarations/F.txt

@@ -1,9 +1,9 @@
 FILE: F.kt
     public? open class A {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     public? final? class B : A {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }

compiler/fir/psi2fir/testData/rawBuilder/declarations/NestedOfAliasedType.txt

@@ -1,9 +1,9 @@
 FILE: NestedOfAliasedType.kt
     public? abstract class A {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
         public? abstract class Nested {
-            public? constructor(): super<kotlin.Any>()
+            public? constructor(): super<kotlin/Any>()
 
         }
 

compiler/fir/psi2fir/testData/rawBuilder/declarations/NestedSuperType.txt

@@ -1,6 +1,6 @@
 FILE: NestedSuperType.kt
     public? abstract class My {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
         public? abstract class NestedOne : My {
             public? constructor(): super<My>()

compiler/fir/psi2fir/testData/rawBuilder/declarations/complexTypes.txt

@@ -1,9 +1,9 @@
 FILE: complexTypes.kt
     <T, out S> public? final? class C {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
         <R, in P> public? final? inner class D {
-            public? constructor(): super<kotlin.Any>()
+            public? constructor(): super<kotlin/Any>()
 
         }
 

compiler/fir/psi2fir/testData/rawBuilder/declarations/derivedClass.txt

@@ -1,6 +1,6 @@
 FILE: derivedClass.kt
     <T> public? open class Base {
-        public? constructor(x: T): super<kotlin.Any>()
+        public? constructor(x: T): super<kotlin/Any>()
 
         public? final? property x(val): T
             public? get(): T

compiler/fir/psi2fir/testData/rawBuilder/declarations/enums.txt

@@ -1,25 +1,25 @@
 FILE: enums.kt
     public? final? enum class Order {
-        public? constructor(): super<kotlin.Enum>()
+        public? constructor(): super<kotlin/Enum>()
 
         public? final enum entry FIRST {
-            public? constructor(): super<kotlin.Any>()
+            public? constructor(): super<kotlin/Any>()
 
         }
 
         public? final enum entry SECOND {
-            public? constructor(): super<kotlin.Any>()
+            public? constructor(): super<kotlin/Any>()
 
         }
 
         public? final enum entry THIRD {
-            public? constructor(): super<kotlin.Any>()
+            public? constructor(): super<kotlin/Any>()
 
         }
 
     }
     public? final? enum class Planet {
-        public? constructor(m: Double, r: Double): super<kotlin.Enum>()
+        public? constructor(m: Double, r: Double): super<kotlin/Enum>()
 
         public? final? property m(val): Double
             public? get(): Double
@@ -30,7 +30,7 @@ FILE: enums.kt
         public? final enum entry MERCURY : Planet {
             public? constructor(): super<Planet>(Double(1.0), Double(2.0))
 
-            public? open? override function sayHello(): kotlin.Unit {
+            public? open? override function sayHello(): kotlin/Unit {
                 println#(String(Hello!!!))
             }
 
@@ -39,7 +39,7 @@ FILE: enums.kt
         public? final enum entry VENERA : Planet {
             public? constructor(): super<Planet>(Double(3.0), Double(4.0))
 
-            public? open? override function sayHello(): kotlin.Unit {
+            public? open? override function sayHello(): kotlin/Unit {
                 println#(String(Ola!!!))
             }
 
@@ -48,7 +48,7 @@ FILE: enums.kt
         public? final enum entry EARTH : Planet {
             public? constructor(): super<Planet>(Double(5.0), Double(6.0))
 
-            public? open? override function sayHello(): kotlin.Unit {
+            public? open? override function sayHello(): kotlin/Unit {
                 println#(String(Privet!!!))
             }
 
@@ -57,10 +57,10 @@ FILE: enums.kt
         public? final? property g(val): Double = div#(times#(G#, m#), times#(r#, r#))
             public? get(): Double
 
-        public? abstract function sayHello(): kotlin.Unit
+        public? abstract function sayHello(): kotlin/Unit
 
         public? final? companion object Companion {
-            public? constructor(): super<kotlin.Any>()
+            public? constructor(): super<kotlin/Any>()
 
             public? final? const property G(val): <implicit> = Double(6.67E-11)
                 public? get(): <implicit>

compiler/fir/psi2fir/testData/rawBuilder/declarations/enums2.txt

@@ -2,15 +2,15 @@ FILE: enums2.kt
     public? final? interface Some {
     }
     public? final? object O1 : Some {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     public? final? object O2 : Some {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     public? final? enum class SomeEnum {
-        public? constructor(x: Some): super<kotlin.Enum>()
+        public? constructor(x: Some): super<kotlin/Enum>()
 
         public? final? property x(val): Some
             public? get(): Some

compiler/fir/psi2fir/testData/rawBuilder/declarations/expectActual.txt

@@ -1,13 +1,13 @@
 FILE: expectActual.kt
     public? final? expect class MyClass {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     public? final? expect function foo(): String
     public? final? expect property x(val): Int
         public? get(): Int
     public? final? actual class MyClass {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     public? final? actual function foo(): <implicit> {

compiler/fir/psi2fir/testData/rawBuilder/declarations/genericFunctions.txt

@@ -5,7 +5,7 @@ FILE: genericFunctions.kt
         return@@@safeAs as?/T(this#)
     }
     public? abstract class Summator {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
         <T> public? abstract function plus(first: T, second: T): T
 

compiler/fir/psi2fir/testData/rawBuilder/declarations/nestedClass.txt

@@ -1,13 +1,13 @@
 FILE: nestedClass.kt
     public? abstract class Base {
-        public? constructor(s: String): super<kotlin.Any>()
+        public? constructor(s: String): super<kotlin/Any>()
 
         public? final? property s(val): String
             public? get(): String
 
     }
     public? final? class Outer {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
         public? final? class Derived : Base {
             public? constructor(s: String): super<Base>(s#)

compiler/fir/psi2fir/testData/rawBuilder/declarations/noPrimaryConstructor.txt

@@ -3,7 +3,7 @@ FILE: noPrimaryConstructor.kt
         public? final? property x(val): String
             public? get(): String
 
-        public? constructor(x: String): super<kotlin.Any>() {
+        public? constructor(x: String): super<kotlin/Any>() {
             this#.x# = x#
         }
 

compiler/fir/psi2fir/testData/rawBuilder/declarations/simpleClass.txt

@@ -7,7 +7,7 @@ FILE: simpleClass.kt
 
     }
     public? final? class SomeClass : SomeInterface {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
         private final? property baz(val): <implicit> = Int(42)
             private get(): <implicit>
@@ -20,15 +20,15 @@ FILE: simpleClass.kt
             public? get(): Boolean {
                 return Boolean(true)
             }
-            public? set(value: Boolean): kotlin.Unit {
+            public? set(value: Boolean): kotlin/Unit {
             }
 
         public? final? lateinit property fau(var): Double
             public? get(): Double
-            public? set(value: Double): kotlin.Unit
+            public? set(value: Double): kotlin/Unit
 
     }
     public? final? inline class InlineClass {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }

compiler/fir/psi2fir/testData/rawBuilder/declarations/simpleFun.txt

@@ -1,5 +1,5 @@
 FILE: simpleFun.kt
-    public? final? function foo(): kotlin.Unit {
+    public? final? function foo(): kotlin/Unit {
     }
-    public? final? suspend function bar(): kotlin.Unit {
+    public? final? suspend function bar(): kotlin/Unit {
     }

compiler/fir/psi2fir/testData/rawBuilder/declarations/simpleTypeAlias.txt

@@ -3,6 +3,6 @@ FILE: simpleTypeAlias.kt
     }
     public? final typealias C = B
     public? final? class D : C {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }

compiler/fir/psi2fir/testData/rawBuilder/declarations/typeAliasWithGeneric.txt

@@ -1,12 +1,12 @@
 FILE: typeAliasWithGeneric.kt
     public? open class A {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     <S, T : A> public? final? interface B {
     }
     <T> public? final typealias C = B<T, A>
     public? final? class D : C<A> {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }

compiler/fir/psi2fir/testData/rawBuilder/declarations/typeParameterVsNested.txt

@@ -2,17 +2,17 @@ FILE: typeParameterVsNested.kt
     public? final? interface Some {
     }
     <T : Some> public? abstract class My {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
         public? final? inner class T {
-            public? constructor(): super<kotlin.Any>()
+            public? constructor(): super<kotlin/Any>()
 
         }
 
         public? abstract property x(val): T
             public? get(): T
 
-        public? abstract function foo(arg: T): kotlin.Unit
+        public? abstract function foo(arg: T): kotlin/Unit
 
         public? abstract property y(val): My.T
             public? get(): My.T

compiler/fir/psi2fir/testData/rawBuilder/declarations/typeParameters.txt

@@ -8,7 +8,7 @@ FILE: typeParameters.kt
     public? final typealias StringList = List<out String>
     public? final typealias AnyList = List<*>
     <out T : Any> public? abstract class AbstractList : List<T> {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     public? final? class SomeList : AbstractList<Int> {

compiler/fir/psi2fir/testData/rawBuilder/declarations/where.txt

@@ -4,6 +4,6 @@ FILE: where.kt
     public? final? interface B {
     }
     <T : A, B> public? final? class C {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }

compiler/fir/psi2fir/testData/rawBuilder/expressions/annotated.txt

@@ -1,6 +1,6 @@
 FILE: annotated.kt
     @Target(AnnotationTarget#.EXPRESSION#) @Retention(AnnotationRetention#.SOURCE#) public? final? annotation class Ann {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     public? final? function foo(arg: Int): Int {
@@ -23,10 +23,10 @@ FILE: annotated.kt
         return@@@foo Int(42)
     }
     public? final? data class Two {
-        public? constructor(x: Int, y: Int): super<kotlin.Any>()
+        public? constructor(x: Int, y: Int): super<kotlin/Any>()
 
     }
-    public? final? function bar(two: Two): kotlin.Unit {
+    public? final? function bar(two: Two): kotlin/Unit {
         val <destruct>: <implicit> = two#
         @Ann() val x: <implicit> = component1(<destruct>#)
         @Ann() val y: <implicit> = component2(<destruct>#)

compiler/fir/psi2fir/testData/rawBuilder/expressions/arrayAccess.txt

@@ -5,7 +5,7 @@ FILE: arrayAccess.kt
         return@@@foo Int(1)
     }
     public? final? class Wrapper {
-        public? constructor(v: IntArray): super<kotlin.Any>()
+        public? constructor(v: IntArray): super<kotlin/Any>()
 
         public? final? property v(val): IntArray
             public? get(): IntArray

compiler/fir/psi2fir/testData/rawBuilder/expressions/arrayAssignment.txt

@@ -1,12 +1,12 @@
 FILE: arrayAssignment.kt
-    public? final? function test(): kotlin.Unit {
+    public? final? function test(): kotlin/Unit {
         val x: <implicit> = intArrayOf#(Int(1), Int(2), Int(3))
         x#[Int(1)] = Int(0)
     }
     public? final? function foo(): <implicit> {
         return@@@foo Int(1)
     }
-    public? final? function test2(): kotlin.Unit {
+    public? final? function test2(): kotlin/Unit {
         val <array-set>: <implicit> = intArrayOf#(Int(1), Int(2), Int(3))
         <array-set>#[foo#()] = Int(1)
     }

compiler/fir/psi2fir/testData/rawBuilder/expressions/callableReferences.txt

@@ -1,17 +1,17 @@
 FILE: callableReferences.kt
     public? final? class A {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
-        public? final? function foo(): kotlin.Unit {
+        public? final? function foo(): kotlin/Unit {
         }
 
         public? final? property bar(val): <implicit> = Int(0)
             public? get(): <implicit>
 
     }
-    public? final? function qux A.(): kotlin.Unit {
+    public? final? function qux A.(): kotlin/Unit {
     }
-    public? final? function baz(): kotlin.Unit {
+    public? final? function baz(): kotlin/Unit {
     }
     public? final? property test1(val): <implicit> = A#()::foo#
         public? get(): <implicit>

compiler/fir/psi2fir/testData/rawBuilder/expressions/calls.txt

@@ -9,17 +9,17 @@ FILE: calls.kt
         return@@@testRegular distance#(Int(3), Int(4))
     }
     public? final? class My {
-        public? constructor(x: Int): super<kotlin.Any>()
+        public? constructor(x: Int): super<kotlin/Any>()
 
         public? final? property x(var): Int
             public? get(): Int
-            public? set(value: Int): kotlin.Unit
+            public? set(value: Int): kotlin/Unit
 
         public? final? operator function invoke(): <implicit> {
             return@@@invoke x#
         }
 
-        public? final? function foo(): kotlin.Unit {
+        public? final? function foo(): kotlin/Unit {
         }
 
         public? final? function copy(): <implicit> {
@@ -30,7 +30,7 @@ FILE: calls.kt
     public? final? function testInvoke(): Int {
         return@@@testInvoke invoke#(My#(Int(13)))
     }
-    public? final? function testQualified(first: My, second: My?): kotlin.Unit {
+    public? final? function testQualified(first: My, second: My?): kotlin/Unit {
         println#(first#.x#)
         println#(second#?.x#)
         first#.foo#()

compiler/fir/psi2fir/testData/rawBuilder/expressions/classReference.txt

@@ -1,9 +1,9 @@
 FILE: classReference.kt
     public? final? class A {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
-    public? final? function test(): kotlin.Unit {
+    public? final? function test(): kotlin/Unit {
         <getClass>(A#)
         <getClass>(test#.A#)
         <getClass>(A#())

compiler/fir/psi2fir/testData/rawBuilder/expressions/collectionLiterals.txt

@@ -1,38 +1,38 @@
 FILE: collectionLiterals.kt
     public? final? annotation class Ann1 {
-        public? constructor(arr: IntArray): super<kotlin.Any>()
+        public? constructor(arr: IntArray): super<kotlin/Any>()
 
         public? final? property arr(val): IntArray
             public? get(): IntArray
 
     }
     public? final? annotation class Ann2 {
-        public? constructor(arr: DoubleArray): super<kotlin.Any>()
+        public? constructor(arr: DoubleArray): super<kotlin/Any>()
 
         public? final? property arr(val): DoubleArray
             public? get(): DoubleArray
 
     }
     public? final? annotation class Ann3 {
-        public? constructor(arr: Array<String>): super<kotlin.Any>()
+        public? constructor(arr: Array<String>): super<kotlin/Any>()
 
         public? final? property arr(val): Array<String>
             public? get(): Array<String>
 
     }
     @Ann1(<implicitArrayOf>()) @Ann2(<implicitArrayOf>()) @Ann3(<implicitArrayOf>()) public? final? class Zero {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     @Ann1(<implicitArrayOf>(Int(1), Int(2))) public? final? class First {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     @Ann2(<implicitArrayOf>(Double(3.14))) public? final? class Second {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }
     @Ann3(<implicitArrayOf>(String(Alpha), String(Omega))) public? final? class Third {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
     }

compiler/fir/psi2fir/testData/rawBuilder/expressions/destructuring.txt

@@ -1,6 +1,6 @@
 FILE: destructuring.kt
     public? final? data class Some {
-        public? constructor(first: Int, second: Double, third: String): super<kotlin.Any>()
+        public? constructor(first: Int, second: Double, third: String): super<kotlin/Any>()
 
         public? final? property first(val): Int
             public? get(): Int
@@ -12,7 +12,7 @@ FILE: destructuring.kt
             public? get(): String
 
     }
-    public? final? function foo(some: Some): kotlin.Unit {
+    public? final? function foo(some: Some): kotlin/Unit {
         val <destruct>: <implicit> = some#
         var x: <implicit> = component1(<destruct>#)
         var y: <implicit> = component2(<destruct>#)

compiler/fir/psi2fir/testData/rawBuilder/expressions/for.txt

@@ -1,5 +1,5 @@
 FILE: for.kt
-    public? final? function foo(): kotlin.Unit {
+    public? final? function foo(): kotlin/Unit {
         val <range>: <implicit> = rangeTo#(Int(1), Int(10))
         val <iterator>: <implicit> = <range>#.iterator#()
         while(<iterator>#.hasNext#()) {
@@ -8,7 +8,7 @@ FILE: for.kt
         }
 
     }
-    public? final? function bar(list: List<String>): kotlin.Unit {
+    public? final? function bar(list: List<String>): kotlin/Unit {
         val <range>: <implicit> = list#.subList#(Int(0), Int(10))
         val <iterator>: <implicit> = <range>#.iterator#()
         while(<iterator>#.hasNext#()) {
@@ -25,7 +25,7 @@ FILE: for.kt
 
     }
     public? final? data class Some {
-        public? constructor(x: Int, y: Int): super<kotlin.Any>()
+        public? constructor(x: Int, y: Int): super<kotlin/Any>()
 
         public? final? property x(val): Int
             public? get(): Int
@@ -34,7 +34,7 @@ FILE: for.kt
             public? get(): Int
 
     }
-    public? final? function baz(set: Set<Some>): kotlin.Unit {
+    public? final? function baz(set: Set<Some>): kotlin/Unit {
         val <range>: <implicit> = set#
         val <iterator>: <implicit> = <range>#.iterator#()
         while(<iterator>#.hasNext#()) {

compiler/fir/psi2fir/testData/rawBuilder/expressions/genericCalls.txt

@@ -2,7 +2,7 @@ FILE: genericCalls.kt
     <T> public? final? function nullableValue(): T? {
         return@@@nullableValue Null(null)
     }
-    public? final? function test(): kotlin.Unit {
+    public? final? function test(): kotlin/Unit {
         val n: <implicit> = nullableValue#<Int>()
         val x: <implicit> = nullableValue#<Double>()
         val s: <implicit> = nullableValue#<String>()

compiler/fir/psi2fir/testData/rawBuilder/expressions/init.txt

@@ -1,6 +1,6 @@
 FILE: init.kt
     public? final? class WithInit {
-        public? constructor(x: Int): super<kotlin.Any>()
+        public? constructor(x: Int): super<kotlin/Any>()
 
         public? final? property x(val): Int
             public? get(): Int

compiler/fir/psi2fir/testData/rawBuilder/expressions/lambda.txt

@@ -1,6 +1,6 @@
 FILE: lambda.kt
     public? final? data class Tuple {
-        public? constructor(x: Int, y: Int): super<kotlin.Any>()
+        public? constructor(x: Int, y: Int): super<kotlin/Any>()
 
         public? final? property x(val): Int
             public? get(): Int
@@ -64,7 +64,7 @@ FILE: lambda.kt
         }
         )
     }
-    public? final? function test(list: List<Int>): kotlin.Unit {
+    public? final? function test(list: List<Int>): kotlin/Unit {
         val map: <implicit> = mutableMapOf#<Int, String>()
         list#.forEach#(forEach@function  <implicit>.<anonymous>(): <implicit> {
             return  {

compiler/fir/psi2fir/testData/rawBuilder/expressions/locals.txt

@@ -1,7 +1,7 @@
 FILE: locals.kt
     public? final? function withLocals(p: Int): Int {
         public? final? class Local {
-            public? constructor(pp: Int): super<kotlin.Any>()
+            public? constructor(pp: Int): super<kotlin/Any>()
 
             public? final? property pp(val): Int
                 public? get(): Int

compiler/fir/psi2fir/testData/rawBuilder/expressions/modifications.txt

@@ -1,16 +1,16 @@
 FILE: modifications.kt
-    public? final? function simple(): kotlin.Unit {
+    public? final? function simple(): kotlin/Unit {
         var x: <implicit> = Int(10)
         x# += Int(20)
         x# -= Int(5)
         x# /= Int(5)
         x# *= Int(10)
     }
-    public? final? function modify List<String>.(): kotlin.Unit {
+    public? final? function modify List<String>.(): kotlin/Unit {
         this# += String(Alpha)
         this# += String(Omega)
     }
-    public? final? function modify Any.(): kotlin.Unit {
+    public? final? function modify Any.(): kotlin/Unit {
         val <complex-set>: <implicit> = as/List<Int>(this#)
         <complex-set># += Int(42)
     }

compiler/fir/psi2fir/testData/rawBuilder/expressions/simpleReturns.txt

@@ -1,5 +1,5 @@
 FILE: simpleReturns.kt
-    public? final? function foo(): kotlin.Unit {
+    public? final? function foo(): kotlin/Unit {
         return@@@foo Unit
     }
     public? final? function bar(): String {

compiler/fir/psi2fir/testData/rawBuilder/expressions/super.txt

@@ -1,25 +1,25 @@
 FILE: super.kt
     public? final? interface A {
-        public? final? function foo(): kotlin.Unit {
+        public? final? function foo(): kotlin/Unit {
         }
 
     }
     public? final? interface B {
-        public? final? function foo(): kotlin.Unit {
+        public? final? function foo(): kotlin/Unit {
         }
 
-        public? final? function bar(): kotlin.Unit {
+        public? final? function bar(): kotlin/Unit {
         }
 
     }
     public? final? class C : A, B {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
-        public? open? override function bar(): kotlin.Unit {
+        public? open? override function bar(): kotlin/Unit {
             super<<implicit>>.bar#()
         }
 
-        public? open? override function foo(): kotlin.Unit {
+        public? open? override function foo(): kotlin/Unit {
             super<A>.foo#()
             super<B>.foo#()
         }

compiler/fir/psi2fir/testData/rawBuilder/expressions/these.txt

@@ -1,6 +1,6 @@
 FILE: these.kt
     public? final? class Some {
-        public? constructor(): super<kotlin.Any>()
+        public? constructor(): super<kotlin/Any>()
 
         public? final? function foo(): Int {
             return@@@foo Int(1)

compiler/fir/psi2fir/testData/rawBuilder/expressions/try.txt

@@ -1,5 +1,5 @@
 FILE: try.kt
-    public? final? function some(): kotlin.Unit {
+    public? final? function some(): kotlin/Unit {
         try {
             throw KotlinNullPointerException#()
         }

compiler/fir/psi2fir/testData/rawBuilder/expressions/unary.txt

@@ -1,5 +1,5 @@
 FILE: unary.kt
-    public? final? function test(): kotlin.Unit {
+    public? final? function test(): kotlin/Unit {
         var x: <implicit> = Int(0)
         val x1: <implicit> =  {
             val <unary>: <implicit> = x#
@@ -35,13 +35,13 @@ FILE: unary.kt
 
     }
     public? final? class X {
-        public? constructor(i: Int): super<kotlin.Any>()
+        public? constructor(i: Int): super<kotlin/Any>()
 
         public? final? property i(val): Int
             public? get(): Int
 
     }
-    public? final? function test2(x: X): kotlin.Unit {
+    public? final? function test2(x: X): kotlin/Unit {
         val x1: <implicit> =  {
             val <unary>: <implicit> = x#.i#
             x#.i# = inc#(<unary>#)
@@ -56,7 +56,7 @@ FILE: unary.kt
         }
 
     }
-    public? final? function test3(arr: Array<Int>): kotlin.Unit {
+    public? final? function test3(arr: Array<Int>): kotlin/Unit {
         val x1: <implicit> =  {
             val <unary>: <implicit> = arr#[Int(0)]
             arr#[Int(0)] = inc#(<unary>#)
@@ -72,13 +72,13 @@ FILE: unary.kt
 
     }
     public? final? class Y {
-        public? constructor(arr: Array<Int>): super<kotlin.Any>()
+        public? constructor(arr: Array<Int>): super<kotlin/Any>()
 
         public? final? property arr(val): Array<Int>
             public? get(): Array<Int>
 
     }
-    public? final? function test4(y: Y): kotlin.Unit {
+    public? final? function test4(y: Y): kotlin/Unit {
         val x1: <implicit> =  {
             val <unary>: <implicit> = y#.arr#[Int(0)]
             val <array-set>: <implicit> = y#.arr#

compiler/fir/psi2fir/testData/rawBuilder/expressions/variables.txt

@@ -1,5 +1,5 @@
 FILE: variables.kt
-    public? final? function foo(): kotlin.Unit {
+    public? final? function foo(): kotlin/Unit {
         val x: <implicit> = Int(1)
         var y: <implicit> = plus#(x#, Int(1))
         val z: <implicit> = times#(y#, Int(2))

compiler/fir/psi2fir/testData/rawBuilder/expressions/while.txt

@@ -1,5 +1,5 @@
 FILE: while.kt
-    public? final? function foo(limit: Int): kotlin.Unit {
+    public? final? function foo(limit: Int): kotlin/Unit {
         var k: <implicit> = Int(0)
         some@while(<(k#, limit#)) {
             val <unary>: <implicit> = k#
@@ -31,7 +31,7 @@ FILE: while.kt
         }
 
     }
-    public? final? function bar(limit: Int): kotlin.Unit {
+    public? final? function bar(limit: Int): kotlin/Unit {
         var k: <implicit> = limit#
         do {
             val <unary>: <implicit> = k#