override val diagnosticClass get() = FunInterfaceAbstractMethodWithTypeParameters::class
    }

    interface FunInterfaceAbstractMethodWithDefaultValue : KtFirDiagnostic<KtDeclaration> {
        override val diagnosticClass get() = FunInterfaceAbstractMethodWithDefaultValue::class
    }

    interface FunInterfaceWithSuspendFunction : KtFirDiagnostic<KtDeclaration> {

internal class FunInterfaceAbstractMethodWithDefaultValueImpl(
    firDiagnostic: KtPsiDiagnostic,
    token: KtLifetimeToken,
) : KtAbstractFirDiagnostic<KtDeclaration>(firDiagnostic, token), KtFirDiagnostic.FunInterfaceAbstractMethodWithDefaultValue

internal class FunInterfaceWithSuspendFunctionImpl(
    firDiagnostic: KtPsiDiagnostic,

            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.FUN_INTERFACE_ABSTRACT_METHOD_WITH_DEFAULT_VALUE) { firDiagnostic ->
        FunInterfaceAbstractMethodWithDefaultValueImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.FUN_INTERFACE_WITH_SUSPEND_FUNCTION) { firDiagnostic ->