internal static void CheckFeatureAvailabilityForStaticAbstractMembersInInterfacesIfNeeded(DeclarationModifiers mods, bool isExplicitInterfaceImplementation, Location location, BindingDiagnosticBag diagnostics)
{
if (isExplicitInterfaceImplementation && (mods & DeclarationModifiers.Static) != 0)
{
Debug.Assert(location.SourceTree is not null);
LanguageVersion availableVersion = ((CSharpParseOptions)location.SourceTree.Options).LanguageVersion;
LanguageVersion requiredVersion = MessageID.IDS_FeatureStaticAbstractMembersInInterfaces.RequiredVersion();
if (availableVersion < requiredVersion)
{
ModifierUtils.ReportUnsupportedModifiersForLanguageVersion(mods, DeclarationModifiers.Static, location, diagnostics, availableVersion, requiredVersion);
}
}
}
