Extract Function: Choose default visibility at analysis phase

idea/testData/refactoring/extractFunction/controlFlow/default/defaultCF.kt.after

@@ -9,7 +9,7 @@ fun foo(a: Int) {
     unit(a, b)
 }
 
-fun unit(a: Int, b: Int) {
+private fun unit(a: Int, b: Int) {
     if (a > 0) {
         println(a)
     }

idea/testData/refactoring/extractFunction/controlFlow/default/defaultCFWithExtraVars.kt.after

@@ -13,7 +13,7 @@ fun foo(a: Int) {
     println(c)
 }
 
-fun unit(a: Int, b: Int) {
+private fun unit(a: Int, b: Int) {
     if (a > 0) {
         println(a)
     }

idea/testData/refactoring/extractFunction/controlFlow/default/defaultCFWithJumps.kt.after

@@ -7,7 +7,7 @@ fun foo(a: Int) {
     unit(a)
 }
 
-fun unit(a: Int) {
+private fun unit(a: Int) {
     var t = a
     while (t > 0) {
         if (t == 2) continue

idea/testData/refactoring/extractFunction/controlFlow/default/ignoredReturnValueWithIf.kt.after

@@ -15,7 +15,7 @@ fun foo(a: Int) {
 
 }
 
-fun unit(a: Int, b: Int) {
+private fun unit(a: Int, b: Int) {
     if (a > 0) {
         bar(a)
     } else {

idea/testData/refactoring/extractFunction/controlFlow/default/ignoredReturnValueWithIfNoBlocks.kt.after

@@ -14,6 +14,6 @@ fun foo(a: Int) {
     unit(a, b)
 }
 
-fun unit(a: Int, b: Int) {
+private fun unit(a: Int, b: Int) {
     if (a > 0) bar(a) else b
 }

idea/testData/refactoring/extractFunction/controlFlow/default/ignoredReturnValueWithWhen.kt.after

@@ -15,7 +15,7 @@ fun foo(a: Int) {
 
 }
 
-fun unit(a: Int, b: Int) {
+private fun unit(a: Int, b: Int) {
     when {
         a > 0 -> {
             bar(a)

idea/testData/refactoring/extractFunction/controlFlow/default/ignoredReturnValueWithWhenNoBlocks.kt.after

@@ -15,7 +15,7 @@ fun foo(a: Int) {
     
 }
 
-fun unit(a: Int, b: Int) {
+private fun unit(a: Int, b: Int) {
     when {
         a > 0 -> bar(a)
         else -> b