idea/testData/refactoring/introduceParameter/defaultValueInParens.kt - third_party/github/JetBrains/kotlin - Git at Google

 fun foo(a: Int): Int {
     val b = <selection>(a + 1)</selection> * 2
     return a + b
 }

 fun test() {
     foo(1)
 }
	fun foo(a: Int): Int {
	val b = <selection>(a + 1)</selection> * 2
	return a + b
	}

	fun test() {
	foo(1)
	}