public static String JsonName(this MemberInfo mi)
{
if (mi == null)
{
return(null);
}
var a_ji = mi.AttrOrNull <JsonIncludeAttribute>() ?? new JsonIncludeAttribute(mi.Name);
return(a_ji.Name);
}
public static bool HasAttr <T>(this MemberInfo mi) => mi.AttrOrNull <T>() != null;