public void Compose(IUmbracoBuilder builder)
{
builder.MapDefinitions().Add <MemberListItemMapDefinition>();
builder.Components().Append <MemberIndexingComponent>();
builder.AddNotificationHandler <ServerVariablesParsingNotification, ServerVariablesParsingHandler>();
builder.Services.AddUnique <IMemberExtendedService, MemberExtendedService>();
// Extend the Member Index fieldset.
builder.Services.ConfigureOptions <ConfigureMemberIndexOptions>();
}