private static bool Equals(TSqlDateTimeOffsetNullValue value)
 {
     return ReferenceEquals(value, Instance);
 }
 public void SetUp()
 {
     _sut = TSqlDateTimeOffsetNullValue.Instance;
 }
 private static bool Equals(TSqlDateTimeOffsetNullValue value)
 {
     return(ReferenceEquals(value, Instance));
 }