val unsupported: String
    }

    interface UnsupportedFeature : KaFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = UnsupportedFeature::class
        val unsupportedFeature: Pair<LanguageFeature, LanguageVersionSettings>
    }

    interface UnsupportedSuspendTest : KaFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = UnsupportedSuspendTest::class
    }