[System.Configuration.ConfigurationProperty("urgentFlushThreshold", DefaultValue="2147483647", Options=System.Configuration.ConfigurationPropertyOptions.IsRequired)]
[System.Configuration.IntegerValidator(MinValue=1, MaxValue=2147483647)]
[System.ComponentModel.TypeConverter(typeof(System.Configuration.InfiniteIntConverter))]
public int UrgentFlushThreshold { set; get; }