idea/testData/codeInsight/overrideImplement/overrideExternalFunction.kt - third_party/github/JetBrains/kotlin - Git at Google

 // FIR_IDENTICAL
 open class A {
     open external fun foo()
 }

 class B : A() {
     <caret>
 }
	// FIR_IDENTICAL
	open class A {
	open external fun foo()
	}

	class B : A() {
	<caret>
	}