compiler/testData/diagnostics/tests/inner/interfaceInInnerClass.fir.kt - third_party/github/JetBrains/kotlin - Git at Google

 class Outer {
     inner class Inner {
         <!NESTED_CLASS_NOT_ALLOWED!>interface TestNestedInterface<!>
     }
 }
	class Outer {
	inner class Inner {
	<!NESTED_CLASS_NOT_ALLOWED!>interface TestNestedInterface<!>
	}
	}