FIR: support private-in-file effective visibility

compiler/testData/cli/jvm/firError.out

@@ -1,13 +1,13 @@
 compiler/testData/cli/jvm/firError.kt:5:13: error: x must be initialized before access
     println(x)
             ^
-compiler/testData/cli/jvm/firError.kt:10:16: error: public subclass exposes its private supertype 'Private'
+compiler/testData/cli/jvm/firError.kt:10:16: error: public subclass exposes its private-in-file supertype 'Private'
 class Public : Private() {
                ^
 compiler/testData/cli/jvm/firError.kt:11:5: error: property must be initialized or be abstract
     val x: Private
     ^
-compiler/testData/cli/jvm/firError.kt:11:9: error: public property exposes its private type 'Private'
+compiler/testData/cli/jvm/firError.kt:11:9: error: public property exposes its private-in-file type 'Private'
     val x: Private
         ^
 COMPILATION_ERROR

compiler/testData/diagnostics/tests/exposed/privateInFile.fir.kt

@@ -13,17 +13,17 @@ class Public {
 private class PrivateInFileClass {
     private open class NestedPrivate
 
-    fun test1() = NestedPrivate()
-    fun test2(p: NestedPrivate) {}
-    fun NestedPrivate.test3() {}
-    val test4 = NestedPrivate()
-    class Test5 : NestedPrivate()
+    fun <!EXPOSED_FUNCTION_RETURN_TYPE!>test1<!>() = NestedPrivate()
+    fun test2(<!EXPOSED_PARAMETER_TYPE!>p: NestedPrivate<!>) {}
+    fun <!EXPOSED_RECEIVER_TYPE!>NestedPrivate<!>.test3() {}
+    val <!EXPOSED_PROPERTY_TYPE!>test4<!> = NestedPrivate()
+    class Test5 : <!EXPOSED_SUPER_CLASS!>NestedPrivate<!>()
 }
 
 private interface PrivateInFile {
     private class Private
 
-    fun expose() = Private()
+    fun <!EXPOSED_FUNCTION_RETURN_TYPE!>expose<!>() = Private()
 }
 
 // Exposes 'PrivateInFile$Private' via 'expose'

compiler/testData/diagnostics/tests/exposed/privateInFileDisabled.fir.kt

@@ -13,17 +13,17 @@ class Public {
 private class PrivateInFileClass {
     private open class NestedPrivate
 
-    fun test1() = NestedPrivate()
-    fun test2(p: NestedPrivate) {}
-    fun NestedPrivate.test3() {}
-    val test4 = NestedPrivate()
-    class Test5 : NestedPrivate()
+    fun <!EXPOSED_FUNCTION_RETURN_TYPE!>test1<!>() = NestedPrivate()
+    fun test2(<!EXPOSED_PARAMETER_TYPE!>p: NestedPrivate<!>) {}
+    fun <!EXPOSED_RECEIVER_TYPE!>NestedPrivate<!>.test3() {}
+    val <!EXPOSED_PROPERTY_TYPE!>test4<!> = NestedPrivate()
+    class Test5 : <!EXPOSED_SUPER_CLASS!>NestedPrivate<!>()
 }
 
 private interface PrivateInFile {
     private class Private
 
-    fun expose() = Private()
+    fun <!EXPOSED_FUNCTION_RETURN_TYPE!>expose<!>() = Private()
 }
 
 // Exposes 'PrivateInFile$Private' via 'expose'

compiler/testData/diagnostics/tests/imports/PrivateClassReferencedError.fir.kt

@@ -11,4 +11,4 @@ package a
 
 import pack1.SomeClass.*
 
-private class X : <!HIDDEN!>N<!>()
+private class X : <!EXPOSED_SUPER_CLASS, HIDDEN!>N<!>()