public static UInt32 GetPageSize(
     this HistoricalRequestBase request) =>
 request.Pagination.Size ?? MaxPageSize;
 public static DateTime GetValidatedFrom(
     this HistoricalRequestBase request) =>
 getValidatedDate(request.TimeInterval.From, nameof(request.TimeInterval.From));
 public static DateTime GetValidatedInto(
     this HistoricalRequestBase request) =>
 getValidatedDate(request.TimeInterval.Into, nameof(request.TimeInterval.Into));