VariableExpectedImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.DELEGATION_IN_INTERFACE) { firDiagnostic ->
        DelegationInInterfaceImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.DELEGATION_NOT_TO_INTERFACE) { firDiagnostic ->
        DelegationNotToInterfaceImpl(

internal class VariableExpectedImpl(
    firDiagnostic: KtPsiDiagnostic,
    token: KaLifetimeToken,
) : KaAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KaFirDiagnostic.VariableExpected

internal class DelegationInInterfaceImpl(
    firDiagnostic: KtPsiDiagnostic,
    token: KaLifetimeToken,
) : KaAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KaFirDiagnostic.DelegationInInterface

internal class DelegationNotToInterfaceImpl(