firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.UNSUPPORTED_CLASS_LITERALS_WITH_EMPTY_LHS) { firDiagnostic ->
        UnsupportedClassLiteralsWithEmptyLhsImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.MUTABLE_PROPERTY_WITH_CAPTURED_TYPE) { firDiagnostic ->

    firDiagnostic: KtPsiDiagnostic,
    token: KtLifetimeToken,
) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.ExpressionOfNullableTypeInClassLiteralLhs

internal class UnsupportedClassLiteralsWithEmptyLhsImpl(
    firDiagnostic: KtPsiDiagnostic,
    token: KtLifetimeToken,
) : KtAbstractFirDiagnostic<KtElement>(firDiagnostic, token), KtFirDiagnostic.UnsupportedClassLiteralsWithEmptyLhs