firDiagnostic.b,
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.OPT_IN_IS_NOT_ENABLED) { firDiagnostic ->
        OptInIsNotEnabledImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.OPT_IN_CAN_ONLY_BE_USED_AS_ANNOTATION) { firDiagnostic ->
        OptInCanOnlyBeUsedAsAnnotationImpl(

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

internal class OptInIsNotEnabledImpl(
    firDiagnostic: KtPsiDiagnostic,
    token: KtLifetimeToken,
) : KtAbstractFirDiagnostic<KtAnnotationEntry>(firDiagnostic, token), KtFirDiagnostic.OptInIsNotEnabled