System.Net.Http.Headers.RetryConditionHeaderValue public class RetryConditionHeaderValue : ICloneable Represents a header value which can either be a date/time or a timespan value. Documentation public DateTimeOffset? Date { get; } public TimeSpan? Delta { get; } public RetryConditionHeaderValue(DateTimeOffset date) public RetryConditionHeaderValue(TimeSpan delta) public static RetryConditionHeaderValue Parse(string input) public static bool TryParse(string input, out RetryConditionHeaderValue parsedValue)